Home / 258,013.46-386,018.76-226,184.06

Finding the Fourth Proportional to 258,013.46, 386,018.76 and 226,184.06

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Solution

The fourth proportional to 258,013.46, 386,018.76 and 226,184.06 is: 338,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,013.46 : 386,018.76 = 226,184.06 : x
  2. Step 2: Convert to fraction form
    258,013.46/386,018.76 = 226,184.06/x
  3. Step 3: Cross multiply
    258,013.46x = 386,018.76 × 226,184.06
  4. Step 4: Simplify right side
    258,013.46x = 87,311,290,372.97
  5. Step 5: Solve for x
    x = 87,311,290,372.97/258,013.46
  6. Step 6: Final answer
    x = 338,398.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.