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Finding the Fourth Proportional to 249,393.95, 374,143.47 and 80,901.12

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Solution

The fourth proportional to 249,393.95, 374,143.47 and 80,901.12 is: 121,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,393.95 : 374,143.47 = 80,901.12 : x
  2. Step 2: Convert to fraction form
    249,393.95/374,143.47 = 80,901.12/x
  3. Step 3: Cross multiply
    249,393.95x = 374,143.47 × 80,901.12
  4. Step 4: Simplify right side
    249,393.95x = 30,268,627,288.39
  5. Step 5: Solve for x
    x = 30,268,627,288.39/249,393.95
  6. Step 6: Final answer
    x = 121,368.73

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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.