Home / 659,215.40-988,823.10-160,579.40

Finding the Fourth Proportional to 659,215.40, 988,823.10 and 160,579.40

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Solution

The fourth proportional to 659,215.40, 988,823.10 and 160,579.40 is: 240,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,215.40 : 988,823.10 = 160,579.40 : x
  2. Step 2: Convert to fraction form
    659,215.40/988,823.10 = 160,579.40/x
  3. Step 3: Cross multiply
    659,215.40x = 988,823.10 × 160,579.40
  4. Step 4: Simplify right side
    659,215.40x = 158,784,620,104.14
  5. Step 5: Solve for x
    x = 158,784,620,104.14/659,215.40
  6. Step 6: Final answer
    x = 240,869.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.