Home / 379,460.43-569,128.28-136,251.15

Finding the Fourth Proportional to 379,460.43, 569,128.28 and 136,251.15

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Solution

The fourth proportional to 379,460.43, 569,128.28 and 136,251.15 is: 204,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,460.43 : 569,128.28 = 136,251.15 : x
  2. Step 2: Convert to fraction form
    379,460.43/569,128.28 = 136,251.15/x
  3. Step 3: Cross multiply
    379,460.43x = 569,128.28 × 136,251.15
  4. Step 4: Simplify right side
    379,460.43x = 77,544,379,832.04
  5. Step 5: Solve for x
    x = 77,544,379,832.04/379,460.43
  6. Step 6: Final answer
    x = 204,354.32

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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.