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Finding the Fourth Proportional to 248,002.40, 372,149.40 and 90,246.80

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Solution

The fourth proportional to 248,002.40, 372,149.40 and 90,246.80 is: 135,423.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,002.40 : 372,149.40 = 90,246.80 : x
  2. Step 2: Convert to fraction form
    248,002.40/372,149.40 = 90,246.80/x
  3. Step 3: Cross multiply
    248,002.40x = 372,149.40 × 90,246.80
  4. Step 4: Simplify right side
    248,002.40x = 33,585,292,471.92
  5. Step 5: Solve for x
    x = 33,585,292,471.92/248,002.40
  6. Step 6: Final answer
    x = 135,423.26

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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.