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Finding the Fourth Proportional to 249,615.32, 344,414.88 and 147,646.40

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Solution

The fourth proportional to 249,615.32, 344,414.88 and 147,646.40 is: 203,719.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,615.32 : 344,414.88 = 147,646.40 : x
  2. Step 2: Convert to fraction form
    249,615.32/344,414.88 = 147,646.40/x
  3. Step 3: Cross multiply
    249,615.32x = 344,414.88 × 147,646.40
  4. Step 4: Simplify right side
    249,615.32x = 50,851,617,138.43
  5. Step 5: Solve for x
    x = 50,851,617,138.43/249,615.32
  6. Step 6: Final answer
    x = 203,719.94

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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.