Home / 240,688.20-361,809.90-222,025.80

Finding the Fourth Proportional to 240,688.20, 361,809.90 and 222,025.80

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Solution

The fourth proportional to 240,688.20, 361,809.90 and 222,025.80 is: 333,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,688.20 : 361,809.90 = 222,025.80 : x
  2. Step 2: Convert to fraction form
    240,688.20/361,809.90 = 222,025.80/x
  3. Step 3: Cross multiply
    240,688.20x = 361,809.90 × 222,025.80
  4. Step 4: Simplify right side
    240,688.20x = 80,331,132,495.42
  5. Step 5: Solve for x
    x = 80,331,132,495.42/240,688.20
  6. Step 6: Final answer
    x = 333,756.01

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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.