Home / 215,397.45-322,391.79-158,456.16

Finding the Fourth Proportional to 215,397.45, 322,391.79 and 158,456.16

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Solution

The fourth proportional to 215,397.45, 322,391.79 and 158,456.16 is: 237,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,397.45 : 322,391.79 = 158,456.16 : x
  2. Step 2: Convert to fraction form
    215,397.45/322,391.79 = 158,456.16/x
  3. Step 3: Cross multiply
    215,397.45x = 322,391.79 × 158,456.16
  4. Step 4: Simplify right side
    215,397.45x = 51,084,965,058.93
  5. Step 5: Solve for x
    x = 51,084,965,058.93/215,397.45
  6. Step 6: Final answer
    x = 237,166.06

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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.