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Finding the Fourth Proportional to 366,951.10, 550,426.65 and 156,610.30

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Solution

The fourth proportional to 366,951.10, 550,426.65 and 156,610.30 is: 234,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,951.10 : 550,426.65 = 156,610.30 : x
  2. Step 2: Convert to fraction form
    366,951.10/550,426.65 = 156,610.30/x
  3. Step 3: Cross multiply
    366,951.10x = 550,426.65 × 156,610.30
  4. Step 4: Simplify right side
    366,951.10x = 86,202,482,784.50
  5. Step 5: Solve for x
    x = 86,202,482,784.50/366,951.10
  6. Step 6: Final answer
    x = 234,915.45

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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.