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Finding the Fourth Proportional to 458,452.04, 687,780.08 and 150,717.92

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Solution

The fourth proportional to 458,452.04, 687,780.08 and 150,717.92 is: 226,110.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,452.04 : 687,780.08 = 150,717.92 : x
  2. Step 2: Convert to fraction form
    458,452.04/687,780.08 = 150,717.92/x
  3. Step 3: Cross multiply
    458,452.04x = 687,780.08 × 150,717.92
  4. Step 4: Simplify right side
    458,452.04x = 103,660,783,075.03
  5. Step 5: Solve for x
    x = 103,660,783,075.03/458,452.04
  6. Step 6: Final answer
    x = 226,110.42

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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.