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Finding the Fourth Proportional to 286,752.30, 430,117.25 and 87,064.62

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Solution

The fourth proportional to 286,752.30, 430,117.25 and 87,064.62 is: 130,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,752.30 : 430,117.25 = 87,064.62 : x
  2. Step 2: Convert to fraction form
    286,752.30/430,117.25 = 87,064.62/x
  3. Step 3: Cross multiply
    286,752.30x = 430,117.25 × 87,064.62
  4. Step 4: Simplify right side
    286,752.30x = 37,447,994,491.37
  5. Step 5: Solve for x
    x = 37,447,994,491.37/286,752.30
  6. Step 6: Final answer
    x = 130,593.53

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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.