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Finding the Fourth Proportional to 249,456.62, 344,244.80 and 142,025.10

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Solution

The fourth proportional to 249,456.62, 344,244.80 and 142,025.10 is: 195,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,456.62 : 344,244.80 = 142,025.10 : x
  2. Step 2: Convert to fraction form
    249,456.62/344,244.80 = 142,025.10/x
  3. Step 3: Cross multiply
    249,456.62x = 344,244.80 × 142,025.10
  4. Step 4: Simplify right side
    249,456.62x = 48,891,402,144.48
  5. Step 5: Solve for x
    x = 48,891,402,144.48/249,456.62
  6. Step 6: Final answer
    x = 195,991.60

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1.5x scale

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.