Home / 260,802.87-391,204.27-142,409.62

Finding the Fourth Proportional to 260,802.87, 391,204.27 and 142,409.62

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Solution

The fourth proportional to 260,802.87, 391,204.27 and 142,409.62 is: 213,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,802.87 : 391,204.27 = 142,409.62 : x
  2. Step 2: Convert to fraction form
    260,802.87/391,204.27 = 142,409.62/x
  3. Step 3: Cross multiply
    260,802.87x = 391,204.27 × 142,409.62
  4. Step 4: Simplify right side
    260,802.87x = 55,711,251,433.08
  5. Step 5: Solve for x
    x = 55,711,251,433.08/260,802.87
  6. Step 6: Final answer
    x = 213,614.41

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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.