Home / 291,584.68-402,385.10-164,301.28

Finding the Fourth Proportional to 291,584.68, 402,385.10 and 164,301.28

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Solution

The fourth proportional to 291,584.68, 402,385.10 and 164,301.28 is: 226,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,584.68 : 402,385.10 = 164,301.28 : x
  2. Step 2: Convert to fraction form
    291,584.68/402,385.10 = 164,301.28/x
  3. Step 3: Cross multiply
    291,584.68x = 402,385.10 × 164,301.28
  4. Step 4: Simplify right side
    291,584.68x = 66,112,386,982.93
  5. Step 5: Solve for x
    x = 66,112,386,982.93/291,584.68
  6. Step 6: Final answer
    x = 226,734.78

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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.