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Finding the Fourth Proportional to 501,649.67, 752,720.52 and 235,431.83

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Solution

The fourth proportional to 501,649.67, 752,720.52 and 235,431.83 is: 353,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,649.67 : 752,720.52 = 235,431.83 : x
  2. Step 2: Convert to fraction form
    501,649.67/752,720.52 = 235,431.83/x
  3. Step 3: Cross multiply
    501,649.67x = 752,720.52 × 235,431.83
  4. Step 4: Simplify right side
    501,649.67x = 177,214,369,502.15
  5. Step 5: Solve for x
    x = 177,214,369,502.15/501,649.67
  6. Step 6: Final answer
    x = 353,263.20

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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.