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Finding the Fourth Proportional to 249,680.88, 344,532.60 and 147,710.16

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Solution

The fourth proportional to 249,680.88, 344,532.60 and 147,710.16 is: 203,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,680.88 : 344,532.60 = 147,710.16 : x
  2. Step 2: Convert to fraction form
    249,680.88/344,532.60 = 147,710.16/x
  3. Step 3: Cross multiply
    249,680.88x = 344,532.60 × 147,710.16
  4. Step 4: Simplify right side
    249,680.88x = 50,890,965,471.22
  5. Step 5: Solve for x
    x = 50,890,965,471.22/249,680.88
  6. Step 6: Final answer
    x = 203,824.04

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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.