Home / 438,552.20-657,869.62-123,007.80

Finding the Fourth Proportional to 438,552.20, 657,869.62 and 123,007.80

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Solution

The fourth proportional to 438,552.20, 657,869.62 and 123,007.80 is: 184,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,552.20 : 657,869.62 = 123,007.80 : x
  2. Step 2: Convert to fraction form
    438,552.20/657,869.62 = 123,007.80/x
  3. Step 3: Cross multiply
    438,552.20x = 657,869.62 × 123,007.80
  4. Step 4: Simplify right side
    438,552.20x = 80,923,094,643.04
  5. Step 5: Solve for x
    x = 80,923,094,643.04/438,552.20
  6. Step 6: Final answer
    x = 184,523.29

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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.