Home / 438,822.64-658,472.10-186,245.20

Finding the Fourth Proportional to 438,822.64, 658,472.10 and 186,245.20

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Solution

The fourth proportional to 438,822.64, 658,472.10 and 186,245.20 is: 279,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,822.64 : 658,472.10 = 186,245.20 : x
  2. Step 2: Convert to fraction form
    438,822.64/658,472.10 = 186,245.20/x
  3. Step 3: Cross multiply
    438,822.64x = 658,472.10 × 186,245.20
  4. Step 4: Simplify right side
    438,822.64x = 122,637,267,958.92
  5. Step 5: Solve for x
    x = 122,637,267,958.92/438,822.64
  6. Step 6: Final answer
    x = 279,468.87

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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.