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Finding the Fourth Proportional to 497,034.25, 745,551.38 and 123,057.25

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Solution

The fourth proportional to 497,034.25, 745,551.38 and 123,057.25 is: 184,585.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,034.25 : 745,551.38 = 123,057.25 : x
  2. Step 2: Convert to fraction form
    497,034.25/745,551.38 = 123,057.25/x
  3. Step 3: Cross multiply
    497,034.25x = 745,551.38 × 123,057.25
  4. Step 4: Simplify right side
    497,034.25x = 91,745,502,556.51
  5. Step 5: Solve for x
    x = 91,745,502,556.51/497,034.25
  6. Step 6: Final answer
    x = 184,585.88

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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.