Home / 274,590.18-378,966.30-167,223.06

Finding the Fourth Proportional to 274,590.18, 378,966.30 and 167,223.06

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Solution

The fourth proportional to 274,590.18, 378,966.30 and 167,223.06 is: 230,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,590.18 : 378,966.30 = 167,223.06 : x
  2. Step 2: Convert to fraction form
    274,590.18/378,966.30 = 167,223.06/x
  3. Step 3: Cross multiply
    274,590.18x = 378,966.30 × 167,223.06
  4. Step 4: Simplify right side
    274,590.18x = 63,371,904,322.88
  5. Step 5: Solve for x
    x = 63,371,904,322.88/274,590.18
  6. Step 6: Final answer
    x = 230,787.22

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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.