Home / 546,321.80-819,531.30-209,348.84

Finding the Fourth Proportional to 546,321.80, 819,531.30 and 209,348.84

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Solution

The fourth proportional to 546,321.80, 819,531.30 and 209,348.84 is: 314,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,321.80 : 819,531.30 = 209,348.84 : x
  2. Step 2: Convert to fraction form
    546,321.80/819,531.30 = 209,348.84/x
  3. Step 3: Cross multiply
    546,321.80x = 819,531.30 × 209,348.84
  4. Step 4: Simplify right side
    546,321.80x = 171,567,926,998.69
  5. Step 5: Solve for x
    x = 171,567,926,998.69/546,321.80
  6. Step 6: Final answer
    x = 314,041.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.