Home / 371,905.46-557,636.45-147,298.13

Finding the Fourth Proportional to 371,905.46, 557,636.45 and 147,298.13

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Solution

The fourth proportional to 371,905.46, 557,636.45 and 147,298.13 is: 220,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,905.46 : 557,636.45 = 147,298.13 : x
  2. Step 2: Convert to fraction form
    371,905.46/557,636.45 = 147,298.13/x
  3. Step 3: Cross multiply
    371,905.46x = 557,636.45 × 147,298.13
  4. Step 4: Simplify right side
    371,905.46x = 82,138,802,780.17
  5. Step 5: Solve for x
    x = 82,138,802,780.17/371,905.46
  6. Step 6: Final answer
    x = 220,859.37

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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.