Home / 438,592.20-657,907.74-123,042.12

Finding the Fourth Proportional to 438,592.20, 657,907.74 and 123,042.12

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Solution

The fourth proportional to 438,592.20, 657,907.74 and 123,042.12 is: 184,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,592.20 : 657,907.74 = 123,042.12 : x
  2. Step 2: Convert to fraction form
    438,592.20/657,907.74 = 123,042.12/x
  3. Step 3: Cross multiply
    438,592.20x = 657,907.74 × 123,042.12
  4. Step 4: Simplify right side
    438,592.20x = 80,950,363,094.01
  5. Step 5: Solve for x
    x = 80,950,363,094.01/438,592.20
  6. Step 6: Final answer
    x = 184,568.63

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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.