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Finding the Fourth Proportional to 260,419.60, 359,377.32 and 147,242.80

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Solution

The fourth proportional to 260,419.60, 359,377.32 and 147,242.80 is: 203,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,419.60 : 359,377.32 = 147,242.80 : x
  2. Step 2: Convert to fraction form
    260,419.60/359,377.32 = 147,242.80/x
  3. Step 3: Cross multiply
    260,419.60x = 359,377.32 × 147,242.80
  4. Step 4: Simplify right side
    260,419.60x = 52,915,722,853.30
  5. Step 5: Solve for x
    x = 52,915,722,853.30/260,419.60
  6. Step 6: Final answer
    x = 203,194.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.