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Finding the Fourth Proportional to 249,877.57, 344,839.35 and 136,700.32

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Solution

The fourth proportional to 249,877.57, 344,839.35 and 136,700.32 is: 188,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,877.57 : 344,839.35 = 136,700.32 : x
  2. Step 2: Convert to fraction form
    249,877.57/344,839.35 = 136,700.32/x
  3. Step 3: Cross multiply
    249,877.57x = 344,839.35 × 136,700.32
  4. Step 4: Simplify right side
    249,877.57x = 47,139,649,493.59
  5. Step 5: Solve for x
    x = 47,139,649,493.59/249,877.57
  6. Step 6: Final answer
    x = 188,650.98

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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.