Home / 354,735.38-531,641-144,127.10

Finding the Fourth Proportional to 354,735.38, 531,641 and 144,127.10

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Solution

The fourth proportional to 354,735.38, 531,641 and 144,127.10 is: 216,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,735.38 : 531,641 = 144,127.10 : x
  2. Step 2: Convert to fraction form
    354,735.38/531,641 = 144,127.10/x
  3. Step 3: Cross multiply
    354,735.38x = 531,641 × 144,127.10
  4. Step 4: Simplify right side
    354,735.38x = 76,623,872,912.90
  5. Step 5: Solve for x
    x = 76,623,872,912.90/354,735.38
  6. Step 6: Final answer
    x = 216,002.91

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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.