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Finding the Fourth Proportional to 366,811.60, 550,314.60 and 130,129.60

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Solution

The fourth proportional to 366,811.60, 550,314.60 and 130,129.60 is: 195,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,811.60 : 550,314.60 = 130,129.60 : x
  2. Step 2: Convert to fraction form
    366,811.60/550,314.60 = 130,129.60/x
  3. Step 3: Cross multiply
    366,811.60x = 550,314.60 × 130,129.60
  4. Step 4: Simplify right side
    366,811.60x = 71,612,218,772.16
  5. Step 5: Solve for x
    x = 71,612,218,772.16/366,811.60
  6. Step 6: Final answer
    x = 195,228.88

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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.