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Finding the Fourth Proportional to 249,447.88, 374,175.06 and 83,235.88

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Solution

The fourth proportional to 249,447.88, 374,175.06 and 83,235.88 is: 124,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,447.88 : 374,175.06 = 83,235.88 : x
  2. Step 2: Convert to fraction form
    249,447.88/374,175.06 = 83,235.88/x
  3. Step 3: Cross multiply
    249,447.88x = 374,175.06 × 83,235.88
  4. Step 4: Simplify right side
    249,447.88x = 31,144,790,393.15
  5. Step 5: Solve for x
    x = 31,144,790,393.15/249,447.88
  6. Step 6: Final answer
    x = 124,854.90

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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.