Home / 438,725.27-658,125.16-123,182.18

Finding the Fourth Proportional to 438,725.27, 658,125.16 and 123,182.18

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Solution

The fourth proportional to 438,725.27, 658,125.16 and 123,182.18 is: 184,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,725.27 : 658,125.16 = 123,182.18 : x
  2. Step 2: Convert to fraction form
    438,725.27/658,125.16 = 123,182.18/x
  3. Step 3: Cross multiply
    438,725.27x = 658,125.16 × 123,182.18
  4. Step 4: Simplify right side
    438,725.27x = 81,069,291,921.65
  5. Step 5: Solve for x
    x = 81,069,291,921.65/438,725.27
  6. Step 6: Final answer
    x = 184,783.73

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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.