Home / 438,741.01-658,151.68-123,195.79

Finding the Fourth Proportional to 438,741.01, 658,151.68 and 123,195.79

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Solution

The fourth proportional to 438,741.01, 658,151.68 and 123,195.79 is: 184,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,741.01 : 658,151.68 = 123,195.79 : x
  2. Step 2: Convert to fraction form
    438,741.01/658,151.68 = 123,195.79/x
  3. Step 3: Cross multiply
    438,741.01x = 658,151.68 × 123,195.79
  4. Step 4: Simplify right side
    438,741.01x = 81,081,516,157.43
  5. Step 5: Solve for x
    x = 81,081,516,157.43/438,741.01
  6. Step 6: Final answer
    x = 184,804.96

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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.