Home / 291,719.73-402,573.20-164,399.88

Finding the Fourth Proportional to 291,719.73, 402,573.20 and 164,399.88

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Solution

The fourth proportional to 291,719.73, 402,573.20 and 164,399.88 is: 226,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,719.73 : 402,573.20 = 164,399.88 : x
  2. Step 2: Convert to fraction form
    291,719.73/402,573.20 = 164,399.88/x
  3. Step 3: Cross multiply
    291,719.73x = 402,573.20 × 164,399.88
  4. Step 4: Simplify right side
    291,719.73x = 66,182,985,771.22
  5. Step 5: Solve for x
    x = 66,182,985,771.22/291,719.73
  6. Step 6: Final answer
    x = 226,871.82

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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.