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Finding the Fourth Proportional to 400,357.03, 600,542.49 and 147,507.37

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Solution

The fourth proportional to 400,357.03, 600,542.49 and 147,507.37 is: 221,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,357.03 : 600,542.49 = 147,507.37 : x
  2. Step 2: Convert to fraction form
    400,357.03/600,542.49 = 147,507.37/x
  3. Step 3: Cross multiply
    400,357.03x = 600,542.49 × 147,507.37
  4. Step 4: Simplify right side
    400,357.03x = 88,584,443,273.15
  5. Step 5: Solve for x
    x = 88,584,443,273.15/400,357.03
  6. Step 6: Final answer
    x = 221,263.61

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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.