Home / 240,356.30-360,280.19-90,531.74

Finding the Fourth Proportional to 240,356.30, 360,280.19 and 90,531.74

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Solution

The fourth proportional to 240,356.30, 360,280.19 and 90,531.74 is: 135,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,356.30 : 360,280.19 = 90,531.74 : x
  2. Step 2: Convert to fraction form
    240,356.30/360,280.19 = 90,531.74/x
  3. Step 3: Cross multiply
    240,356.30x = 360,280.19 × 90,531.74
  4. Step 4: Simplify right side
    240,356.30x = 32,616,793,615.26
  5. Step 5: Solve for x
    x = 32,616,793,615.26/240,356.30
  6. Step 6: Final answer
    x = 135,701.85

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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.