Home / 297,789.48-410,948.13-161,820.86

Finding the Fourth Proportional to 297,789.48, 410,948.13 and 161,820.86

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Solution

The fourth proportional to 297,789.48, 410,948.13 and 161,820.86 is: 223,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,789.48 : 410,948.13 = 161,820.86 : x
  2. Step 2: Convert to fraction form
    297,789.48/410,948.13 = 161,820.86/x
  3. Step 3: Cross multiply
    297,789.48x = 410,948.13 × 161,820.86
  4. Step 4: Simplify right side
    297,789.48x = 66,499,978,364.08
  5. Step 5: Solve for x
    x = 66,499,978,364.08/297,789.48
  6. Step 6: Final answer
    x = 223,312.05

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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.