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Finding the Fourth Proportional to 366,870.32, 550,213.08 and 142,153.52

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Solution

The fourth proportional to 366,870.32, 550,213.08 and 142,153.52 is: 213,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,870.32 : 550,213.08 = 142,153.52 : x
  2. Step 2: Convert to fraction form
    366,870.32/550,213.08 = 142,153.52/x
  3. Step 3: Cross multiply
    366,870.32x = 550,213.08 × 142,153.52
  4. Step 4: Simplify right side
    366,870.32x = 78,214,726,072.04
  5. Step 5: Solve for x
    x = 78,214,726,072.04/366,870.32
  6. Step 6: Final answer
    x = 213,194.48

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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.