Home / 260,626.92-390,779.10-177,268.20

Finding the Fourth Proportional to 260,626.92, 390,779.10 and 177,268.20

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Solution

The fourth proportional to 260,626.92, 390,779.10 and 177,268.20 is: 265,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,626.92 : 390,779.10 = 177,268.20 : x
  2. Step 2: Convert to fraction form
    260,626.92/390,779.10 = 177,268.20/x
  3. Step 3: Cross multiply
    260,626.92x = 390,779.10 × 177,268.20
  4. Step 4: Simplify right side
    260,626.92x = 69,272,707,654.62
  5. Step 5: Solve for x
    x = 69,272,707,654.62/260,626.92
  6. Step 6: Final answer
    x = 265,792.60

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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.