Home / 438,835.48-658,253.22-123,295.12

Finding the Fourth Proportional to 438,835.48, 658,253.22 and 123,295.12

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Solution

The fourth proportional to 438,835.48, 658,253.22 and 123,295.12 is: 184,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,835.48 : 658,253.22 = 123,295.12 : x
  2. Step 2: Convert to fraction form
    438,835.48/658,253.22 = 123,295.12/x
  3. Step 3: Cross multiply
    438,835.48x = 658,253.22 × 123,295.12
  4. Step 4: Simplify right side
    438,835.48x = 81,159,409,750.29
  5. Step 5: Solve for x
    x = 81,159,409,750.29/438,835.48
  6. Step 6: Final answer
    x = 184,942.68

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Similar ratio
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1.5x scale

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.