Home / 287,868.48-397,260.36-167,082

Finding the Fourth Proportional to 287,868.48, 397,260.36 and 167,082

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Solution

The fourth proportional to 287,868.48, 397,260.36 and 167,082 is: 230,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,868.48 : 397,260.36 = 167,082 : x
  2. Step 2: Convert to fraction form
    287,868.48/397,260.36 = 167,082/x
  3. Step 3: Cross multiply
    287,868.48x = 397,260.36 × 167,082
  4. Step 4: Simplify right side
    287,868.48x = 66,375,055,469.52
  5. Step 5: Solve for x
    x = 66,375,055,469.52/287,868.48
  6. Step 6: Final answer
    x = 230,574.24

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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.