Home / 291,321.23-402,030.75-164,001.29

Finding the Fourth Proportional to 291,321.23, 402,030.75 and 164,001.29

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Solution

The fourth proportional to 291,321.23, 402,030.75 and 164,001.29 is: 226,325.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,321.23 : 402,030.75 = 164,001.29 : x
  2. Step 2: Convert to fraction form
    291,321.23/402,030.75 = 164,001.29/x
  3. Step 3: Cross multiply
    291,321.23x = 402,030.75 × 164,001.29
  4. Step 4: Simplify right side
    291,321.23x = 65,933,561,619.67
  5. Step 5: Solve for x
    x = 65,933,561,619.67/291,321.23
  6. Step 6: Final answer
    x = 226,325.98

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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.