Home / 284,042.73-391,981.37-156,726.93

Finding the Fourth Proportional to 284,042.73, 391,981.37 and 156,726.93

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Solution

The fourth proportional to 284,042.73, 391,981.37 and 156,726.93 is: 216,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,042.73 : 391,981.37 = 156,726.93 : x
  2. Step 2: Convert to fraction form
    284,042.73/391,981.37 = 156,726.93/x
  3. Step 3: Cross multiply
    284,042.73x = 391,981.37 × 156,726.93
  4. Step 4: Simplify right side
    284,042.73x = 61,434,036,737.29
  5. Step 5: Solve for x
    x = 61,434,036,737.29/284,042.73
  6. Step 6: Final answer
    x = 216,284.49

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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.