Home / 260,340.26-390,360.92-102,482.60

Finding the Fourth Proportional to 260,340.26, 390,360.92 and 102,482.60

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Solution

The fourth proportional to 260,340.26, 390,360.92 and 102,482.60 is: 153,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,340.26 : 390,360.92 = 102,482.60 : x
  2. Step 2: Convert to fraction form
    260,340.26/390,360.92 = 102,482.60/x
  3. Step 3: Cross multiply
    260,340.26x = 390,360.92 × 102,482.60
  4. Step 4: Simplify right side
    260,340.26x = 40,005,202,019.99
  5. Step 5: Solve for x
    x = 40,005,202,019.99/260,340.26
  6. Step 6: Final answer
    x = 153,665.06

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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.