Home / 288,946.24-398,724.08-161,597.20

Finding the Fourth Proportional to 288,946.24, 398,724.08 and 161,597.20

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Solution

The fourth proportional to 288,946.24, 398,724.08 and 161,597.20 is: 222,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,946.24 : 398,724.08 = 161,597.20 : x
  2. Step 2: Convert to fraction form
    288,946.24/398,724.08 = 161,597.20/x
  3. Step 3: Cross multiply
    288,946.24x = 398,724.08 × 161,597.20
  4. Step 4: Simplify right side
    288,946.24x = 64,432,694,900.58
  5. Step 5: Solve for x
    x = 64,432,694,900.58/288,946.24
  6. Step 6: Final answer
    x = 222,991.98

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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.