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Finding the Fourth Proportional to 238,807.65, 329,552.19 and 131,377.80

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Solution

The fourth proportional to 238,807.65, 329,552.19 and 131,377.80 is: 181,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,807.65 : 329,552.19 = 131,377.80 : x
  2. Step 2: Convert to fraction form
    238,807.65/329,552.19 = 131,377.80/x
  3. Step 3: Cross multiply
    238,807.65x = 329,552.19 × 131,377.80
  4. Step 4: Simplify right side
    238,807.65x = 43,295,841,707.38
  5. Step 5: Solve for x
    x = 43,295,841,707.38/238,807.65
  6. Step 6: Final answer
    x = 181,300.06

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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.