Home / 438,832.64-658,487.10-186,255.20

Finding the Fourth Proportional to 438,832.64, 658,487.10 and 186,255.20

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Solution

The fourth proportional to 438,832.64, 658,487.10 and 186,255.20 is: 279,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,832.64 : 658,487.10 = 186,255.20 : x
  2. Step 2: Convert to fraction form
    438,832.64/658,487.10 = 186,255.20/x
  3. Step 3: Cross multiply
    438,832.64x = 658,487.10 × 186,255.20
  4. Step 4: Simplify right side
    438,832.64x = 122,646,646,507.92
  5. Step 5: Solve for x
    x = 122,646,646,507.92/438,832.64
  6. Step 6: Final answer
    x = 279,483.87

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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.