Home / 258,058.08-386,476.32-131,387.04

Finding the Fourth Proportional to 258,058.08, 386,476.32 and 131,387.04

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Solution

The fourth proportional to 258,058.08, 386,476.32 and 131,387.04 is: 196,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,058.08 : 386,476.32 = 131,387.04 : x
  2. Step 2: Convert to fraction form
    258,058.08/386,476.32 = 131,387.04/x
  3. Step 3: Cross multiply
    258,058.08x = 386,476.32 × 131,387.04
  4. Step 4: Simplify right side
    258,058.08x = 50,777,979,714.89
  5. Step 5: Solve for x
    x = 50,777,979,714.89/258,058.08
  6. Step 6: Final answer
    x = 196,769.58

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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.