Home / 369,849.17-510,386.85-206,508.21

Finding the Fourth Proportional to 369,849.17, 510,386.85 and 206,508.21

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Solution

The fourth proportional to 369,849.17, 510,386.85 and 206,508.21 is: 284,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,849.17 : 510,386.85 = 206,508.21 : x
  2. Step 2: Convert to fraction form
    369,849.17/510,386.85 = 206,508.21/x
  3. Step 3: Cross multiply
    369,849.17x = 510,386.85 × 206,508.21
  4. Step 4: Simplify right side
    369,849.17x = 105,399,074,801.04
  5. Step 5: Solve for x
    x = 105,399,074,801.04/369,849.17
  6. Step 6: Final answer
    x = 284,978.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.