Home / 347,122.71-520,890.99-154,982.22

Finding the Fourth Proportional to 347,122.71, 520,890.99 and 154,982.22

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Solution

The fourth proportional to 347,122.71, 520,890.99 and 154,982.22 is: 232,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,122.71 : 520,890.99 = 154,982.22 : x
  2. Step 2: Convert to fraction form
    347,122.71/520,890.99 = 154,982.22/x
  3. Step 3: Cross multiply
    347,122.71x = 520,890.99 × 154,982.22
  4. Step 4: Simplify right side
    347,122.71x = 80,728,844,368.90
  5. Step 5: Solve for x
    x = 80,728,844,368.90/347,122.71
  6. Step 6: Final answer
    x = 232,565.72

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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.