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Finding the Fourth Proportional to 249,448.88, 374,176.56 and 83,236.88

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Solution

The fourth proportional to 249,448.88, 374,176.56 and 83,236.88 is: 124,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,448.88 : 374,176.56 = 83,236.88 : x
  2. Step 2: Convert to fraction form
    249,448.88/374,176.56 = 83,236.88/x
  3. Step 3: Cross multiply
    249,448.88x = 374,176.56 × 83,236.88
  4. Step 4: Simplify right side
    249,448.88x = 31,145,289,423.53
  5. Step 5: Solve for x
    x = 31,145,289,423.53/249,448.88
  6. Step 6: Final answer
    x = 124,856.40

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1.5x scale

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.