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Finding the Fourth Proportional to 333,899.17, 501,013.18 and 156,375.52

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Solution

The fourth proportional to 333,899.17, 501,013.18 and 156,375.52 is: 234,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,899.17 : 501,013.18 = 156,375.52 : x
  2. Step 2: Convert to fraction form
    333,899.17/501,013.18 = 156,375.52/x
  3. Step 3: Cross multiply
    333,899.17x = 501,013.18 × 156,375.52
  4. Step 4: Simplify right side
    333,899.17x = 78,346,195,492.29
  5. Step 5: Solve for x
    x = 78,346,195,492.29/333,899.17
  6. Step 6: Final answer
    x = 234,640.28

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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.