Home / 307,337.12-461,061.48-149,565.68

Finding the Fourth Proportional to 307,337.12, 461,061.48 and 149,565.68

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Solution

The fourth proportional to 307,337.12, 461,061.48 and 149,565.68 is: 224,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,337.12 : 461,061.48 = 149,565.68 : x
  2. Step 2: Convert to fraction form
    307,337.12/461,061.48 = 149,565.68/x
  3. Step 3: Cross multiply
    307,337.12x = 461,061.48 × 149,565.68
  4. Step 4: Simplify right side
    307,337.12x = 68,958,973,778.01
  5. Step 5: Solve for x
    x = 68,958,973,778.01/307,337.12
  6. Step 6: Final answer
    x = 224,375.68

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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.