Home / 260,331.20-390,626.40-148,097.60

Finding the Fourth Proportional to 260,331.20, 390,626.40 and 148,097.60

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Solution

The fourth proportional to 260,331.20, 390,626.40 and 148,097.60 is: 222,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,331.20 : 390,626.40 = 148,097.60 : x
  2. Step 2: Convert to fraction form
    260,331.20/390,626.40 = 148,097.60/x
  3. Step 3: Cross multiply
    260,331.20x = 390,626.40 × 148,097.60
  4. Step 4: Simplify right side
    260,331.20x = 57,850,832,336.64
  5. Step 5: Solve for x
    x = 57,850,832,336.64/260,331.20
  6. Step 6: Final answer
    x = 222,220.13

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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.