Home / 260,061.39-390,092.18-170,179.85

Finding the Fourth Proportional to 260,061.39, 390,092.18 and 170,179.85

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Solution

The fourth proportional to 260,061.39, 390,092.18 and 170,179.85 is: 255,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,061.39 : 390,092.18 = 170,179.85 : x
  2. Step 2: Convert to fraction form
    260,061.39/390,092.18 = 170,179.85/x
  3. Step 3: Cross multiply
    260,061.39x = 390,092.18 × 170,179.85
  4. Step 4: Simplify right side
    260,061.39x = 66,385,828,802.90
  5. Step 5: Solve for x
    x = 66,385,828,802.90/260,061.39
  6. Step 6: Final answer
    x = 255,269.84

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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.