Home / 288,564.18-398,225.61-161,248.02

Finding the Fourth Proportional to 288,564.18, 398,225.61 and 161,248.02

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Solution

The fourth proportional to 288,564.18, 398,225.61 and 161,248.02 is: 222,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,564.18 : 398,225.61 = 161,248.02 : x
  2. Step 2: Convert to fraction form
    288,564.18/398,225.61 = 161,248.02/x
  3. Step 3: Cross multiply
    288,564.18x = 398,225.61 × 161,248.02
  4. Step 4: Simplify right side
    288,564.18x = 64,213,091,125.79
  5. Step 5: Solve for x
    x = 64,213,091,125.79/288,564.18
  6. Step 6: Final answer
    x = 222,526.20

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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.