Home / 438,175.20-657,255.96-224,820

Finding the Fourth Proportional to 438,175.20, 657,255.96 and 224,820

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Solution

The fourth proportional to 438,175.20, 657,255.96 and 224,820 is: 337,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,175.20 : 657,255.96 = 224,820 : x
  2. Step 2: Convert to fraction form
    438,175.20/657,255.96 = 224,820/x
  3. Step 3: Cross multiply
    438,175.20x = 657,255.96 × 224,820
  4. Step 4: Simplify right side
    438,175.20x = 147,764,284,927.20
  5. Step 5: Solve for x
    x = 147,764,284,927.20/438,175.20
  6. Step 6: Final answer
    x = 337,226.49

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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.