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Finding the Fourth Proportional to 269,892, 372,483.77 and 156,714.75

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Solution

The fourth proportional to 269,892, 372,483.77 and 156,714.75 is: 216,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,892 : 372,483.77 = 156,714.75 : x
  2. Step 2: Convert to fraction form
    269,892/372,483.77 = 156,714.75/x
  3. Step 3: Cross multiply
    269,892x = 372,483.77 × 156,714.75
  4. Step 4: Simplify right side
    269,892x = 58,373,700,111.03
  5. Step 5: Solve for x
    x = 58,373,700,111.03/269,892
  6. Step 6: Final answer
    x = 216,285.40

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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.