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Finding the Fourth Proportional to 238,594.58, 357,629.42 and 98,276.66

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Solution

The fourth proportional to 238,594.58, 357,629.42 and 98,276.66 is: 147,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,594.58 : 357,629.42 = 98,276.66 : x
  2. Step 2: Convert to fraction form
    238,594.58/357,629.42 = 98,276.66/x
  3. Step 3: Cross multiply
    238,594.58x = 357,629.42 × 98,276.66
  4. Step 4: Simplify right side
    238,594.58x = 35,146,622,635.81
  5. Step 5: Solve for x
    x = 35,146,622,635.81/238,594.58
  6. Step 6: Final answer
    x = 147,306.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.