Home / 260,629.10-359,482.71-239,188.10

Finding the Fourth Proportional to 260,629.10, 359,482.71 and 239,188.10

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Solution

The fourth proportional to 260,629.10, 359,482.71 and 239,188.10 is: 329,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,629.10 : 359,482.71 = 239,188.10 : x
  2. Step 2: Convert to fraction form
    260,629.10/359,482.71 = 239,188.10/x
  3. Step 3: Cross multiply
    260,629.10x = 359,482.71 × 239,188.10
  4. Step 4: Simplify right side
    260,629.10x = 85,983,986,387.75
  5. Step 5: Solve for x
    x = 85,983,986,387.75/260,629.10
  6. Step 6: Final answer
    x = 329,909.39

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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.