Home / 261,380.12-360,649.46-170,869.30

Finding the Fourth Proportional to 261,380.12, 360,649.46 and 170,869.30

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Solution

The fourth proportional to 261,380.12, 360,649.46 and 170,869.30 is: 235,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,380.12 : 360,649.46 = 170,869.30 : x
  2. Step 2: Convert to fraction form
    261,380.12/360,649.46 = 170,869.30/x
  3. Step 3: Cross multiply
    261,380.12x = 360,649.46 × 170,869.30
  4. Step 4: Simplify right side
    261,380.12x = 61,623,920,301.13
  5. Step 5: Solve for x
    x = 61,623,920,301.13/261,380.12
  6. Step 6: Final answer
    x = 235,763.61

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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.