Home / 238,902.12-329,547.78-149,322.60

Finding the Fourth Proportional to 238,902.12, 329,547.78 and 149,322.60

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Solution

The fourth proportional to 238,902.12, 329,547.78 and 149,322.60 is: 205,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,902.12 : 329,547.78 = 149,322.60 : x
  2. Step 2: Convert to fraction form
    238,902.12/329,547.78 = 149,322.60/x
  3. Step 3: Cross multiply
    238,902.12x = 329,547.78 × 149,322.60
  4. Step 4: Simplify right side
    238,902.12x = 49,208,931,333.83
  5. Step 5: Solve for x
    x = 49,208,931,333.83/238,902.12
  6. Step 6: Final answer
    x = 205,979.47

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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.