Home / 253,027.27-349,179.02-138,306.07

Finding the Fourth Proportional to 253,027.27, 349,179.02 and 138,306.07

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Solution

The fourth proportional to 253,027.27, 349,179.02 and 138,306.07 is: 190,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,027.27 : 349,179.02 = 138,306.07 : x
  2. Step 2: Convert to fraction form
    253,027.27/349,179.02 = 138,306.07/x
  3. Step 3: Cross multiply
    253,027.27x = 349,179.02 × 138,306.07
  4. Step 4: Simplify right side
    253,027.27x = 48,293,577,982.65
  5. Step 5: Solve for x
    x = 48,293,577,982.65/253,027.27
  6. Step 6: Final answer
    x = 190,863.13

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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.