Home / 438,194.20-657,312.90-228,242.20

Finding the Fourth Proportional to 438,194.20, 657,312.90 and 228,242.20

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Solution

The fourth proportional to 438,194.20, 657,312.90 and 228,242.20 is: 342,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,194.20 : 657,312.90 = 228,242.20 : x
  2. Step 2: Convert to fraction form
    438,194.20/657,312.90 = 228,242.20/x
  3. Step 3: Cross multiply
    438,194.20x = 657,312.90 × 228,242.20
  4. Step 4: Simplify right side
    438,194.20x = 150,026,542,384.38
  5. Step 5: Solve for x
    x = 150,026,542,384.38/438,194.20
  6. Step 6: Final answer
    x = 342,374.55

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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.