Home / 349,631.20-524,446.80-149,917.60

Finding the Fourth Proportional to 349,631.20, 524,446.80 and 149,917.60

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Solution

The fourth proportional to 349,631.20, 524,446.80 and 149,917.60 is: 224,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,631.20 : 524,446.80 = 149,917.60 : x
  2. Step 2: Convert to fraction form
    349,631.20/524,446.80 = 149,917.60/x
  3. Step 3: Cross multiply
    349,631.20x = 524,446.80 × 149,917.60
  4. Step 4: Simplify right side
    349,631.20x = 78,623,805,583.68
  5. Step 5: Solve for x
    x = 78,623,805,583.68/349,631.20
  6. Step 6: Final answer
    x = 224,876.40

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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.