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Finding the Fourth Proportional to 366,928.30, 550,392.45 and 240,957.10

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Solution

The fourth proportional to 366,928.30, 550,392.45 and 240,957.10 is: 361,435.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,928.30 : 550,392.45 = 240,957.10 : x
  2. Step 2: Convert to fraction form
    366,928.30/550,392.45 = 240,957.10/x
  3. Step 3: Cross multiply
    366,928.30x = 550,392.45 × 240,957.10
  4. Step 4: Simplify right side
    366,928.30x = 132,620,968,613.90
  5. Step 5: Solve for x
    x = 132,620,968,613.90/366,928.30
  6. Step 6: Final answer
    x = 361,435.65

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Similar ratio
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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.