Home / 239,680.29-330,926-149,076.97

Finding the Fourth Proportional to 239,680.29, 330,926 and 149,076.97

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Solution

The fourth proportional to 239,680.29, 330,926 and 149,076.97 is: 205,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,680.29 : 330,926 = 149,076.97 : x
  2. Step 2: Convert to fraction form
    239,680.29/330,926 = 149,076.97/x
  3. Step 3: Cross multiply
    239,680.29x = 330,926 × 149,076.97
  4. Step 4: Simplify right side
    239,680.29x = 49,333,445,374.22
  5. Step 5: Solve for x
    x = 49,333,445,374.22/239,680.29
  6. Step 6: Final answer
    x = 205,830.21

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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.