Home / 261,428.24-392,084.04-103,614.32

Finding the Fourth Proportional to 261,428.24, 392,084.04 and 103,614.32

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Solution

The fourth proportional to 261,428.24, 392,084.04 and 103,614.32 is: 155,398.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,428.24 : 392,084.04 = 103,614.32 : x
  2. Step 2: Convert to fraction form
    261,428.24/392,084.04 = 103,614.32/x
  3. Step 3: Cross multiply
    261,428.24x = 392,084.04 × 103,614.32
  4. Step 4: Simplify right side
    261,428.24x = 40,625,521,187.45
  5. Step 5: Solve for x
    x = 40,625,521,187.45/261,428.24
  6. Step 6: Final answer
    x = 155,398.37

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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.