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Finding the Fourth Proportional to 224,621.52, 336,633.84 and 98,070.48

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Solution

The fourth proportional to 224,621.52, 336,633.84 and 98,070.48 is: 146,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,621.52 : 336,633.84 = 98,070.48 : x
  2. Step 2: Convert to fraction form
    224,621.52/336,633.84 = 98,070.48/x
  3. Step 3: Cross multiply
    224,621.52x = 336,633.84 × 98,070.48
  4. Step 4: Simplify right side
    224,621.52x = 33,013,842,273.04
  5. Step 5: Solve for x
    x = 33,013,842,273.04/224,621.52
  6. Step 6: Final answer
    x = 146,975.42

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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.