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Finding the Fourth Proportional to 178,599.64, 246,470.52 and 98,034.72

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Solution

The fourth proportional to 178,599.64, 246,470.52 and 98,034.72 is: 135,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,599.64 : 246,470.52 = 98,034.72 : x
  2. Step 2: Convert to fraction form
    178,599.64/246,470.52 = 98,034.72/x
  3. Step 3: Cross multiply
    178,599.64x = 246,470.52 × 98,034.72
  4. Step 4: Simplify right side
    178,599.64x = 24,162,668,416.45
  5. Step 5: Solve for x
    x = 24,162,668,416.45/178,599.64
  6. Step 6: Final answer
    x = 135,289.57

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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.