Home / 291,579.18-402,377.46-164,295.78

Finding the Fourth Proportional to 291,579.18, 402,377.46 and 164,295.78

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Solution

The fourth proportional to 291,579.18, 402,377.46 and 164,295.78 is: 226,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,579.18 : 402,377.46 = 164,295.78 : x
  2. Step 2: Convert to fraction form
    291,579.18/402,377.46 = 164,295.78/x
  3. Step 3: Cross multiply
    291,579.18x = 402,377.46 × 164,295.78
  4. Step 4: Simplify right side
    291,579.18x = 66,108,918,645.12
  5. Step 5: Solve for x
    x = 66,108,918,645.12/291,579.18
  6. Step 6: Final answer
    x = 226,727.16

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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.