Home / 338,938.86-508,411.89-102,283.62

Finding the Fourth Proportional to 338,938.86, 508,411.89 and 102,283.62

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Solution

The fourth proportional to 338,938.86, 508,411.89 and 102,283.62 is: 153,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,938.86 : 508,411.89 = 102,283.62 : x
  2. Step 2: Convert to fraction form
    338,938.86/508,411.89 = 102,283.62/x
  3. Step 3: Cross multiply
    338,938.86x = 508,411.89 × 102,283.62
  4. Step 4: Simplify right side
    338,938.86x = 52,002,208,560.24
  5. Step 5: Solve for x
    x = 52,002,208,560.24/338,938.86
  6. Step 6: Final answer
    x = 153,426.52

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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.