Home / 272,236.80-375,707.76-163,345.20

Finding the Fourth Proportional to 272,236.80, 375,707.76 and 163,345.20

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Solution

The fourth proportional to 272,236.80, 375,707.76 and 163,345.20 is: 225,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,236.80 : 375,707.76 = 163,345.20 : x
  2. Step 2: Convert to fraction form
    272,236.80/375,707.76 = 163,345.20/x
  3. Step 3: Cross multiply
    272,236.80x = 375,707.76 × 163,345.20
  4. Step 4: Simplify right side
    272,236.80x = 61,370,059,198.75
  5. Step 5: Solve for x
    x = 61,370,059,198.75/272,236.80
  6. Step 6: Final answer
    x = 225,428.96

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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.