Home / 258,210.30-386,597.10-131,577.54

Finding the Fourth Proportional to 258,210.30, 386,597.10 and 131,577.54

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Solution

The fourth proportional to 258,210.30, 386,597.10 and 131,577.54 is: 197,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,210.30 : 386,597.10 = 131,577.54 : x
  2. Step 2: Convert to fraction form
    258,210.30/386,597.10 = 131,577.54/x
  3. Step 3: Cross multiply
    258,210.30x = 386,597.10 × 131,577.54
  4. Step 4: Simplify right side
    258,210.30x = 50,867,495,389.13
  5. Step 5: Solve for x
    x = 50,867,495,389.13/258,210.30
  6. Step 6: Final answer
    x = 197,000.26

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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.