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Finding the Fourth Proportional to 249,227.46, 373,900.11 and 80,747.49

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Solution

The fourth proportional to 249,227.46, 373,900.11 and 80,747.49 is: 121,140.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,227.46 : 373,900.11 = 80,747.49 : x
  2. Step 2: Convert to fraction form
    249,227.46/373,900.11 = 80,747.49/x
  3. Step 3: Cross multiply
    249,227.46x = 373,900.11 × 80,747.49
  4. Step 4: Simplify right side
    249,227.46x = 30,191,495,393.22
  5. Step 5: Solve for x
    x = 30,191,495,393.22/249,227.46
  6. Step 6: Final answer
    x = 121,140.32

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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.