Home / 249,470.39-374,200.26-80,990.46

Finding the Fourth Proportional to 249,470.39, 374,200.26 and 80,990.46

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Solution

The fourth proportional to 249,470.39, 374,200.26 and 80,990.46 is: 121,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,470.39 : 374,200.26 = 80,990.46 : x
  2. Step 2: Convert to fraction form
    249,470.39/374,200.26 = 80,990.46/x
  3. Step 3: Cross multiply
    249,470.39x = 374,200.26 × 80,990.46
  4. Step 4: Simplify right side
    249,470.39x = 30,306,651,189.52
  5. Step 5: Solve for x
    x = 30,306,651,189.52/249,470.39
  6. Step 6: Final answer
    x = 121,483.96

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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.