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Finding the Fourth Proportional to 246,049.67, 339,547.01 and 138,654.20

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Solution

The fourth proportional to 246,049.67, 339,547.01 and 138,654.20 is: 191,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,049.67 : 339,547.01 = 138,654.20 : x
  2. Step 2: Convert to fraction form
    246,049.67/339,547.01 = 138,654.20/x
  3. Step 3: Cross multiply
    246,049.67x = 339,547.01 × 138,654.20
  4. Step 4: Simplify right side
    246,049.67x = 47,079,619,189.54
  5. Step 5: Solve for x
    x = 47,079,619,189.54/246,049.67
  6. Step 6: Final answer
    x = 191,341.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.