Home / 546,211.38-819,139.77-209,234.10

Finding the Fourth Proportional to 546,211.38, 819,139.77 and 209,234.10

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Solution

The fourth proportional to 546,211.38, 819,139.77 and 209,234.10 is: 313,783.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,211.38 : 819,139.77 = 209,234.10 : x
  2. Step 2: Convert to fraction form
    546,211.38/819,139.77 = 209,234.10/x
  3. Step 3: Cross multiply
    546,211.38x = 819,139.77 × 209,234.10
  4. Step 4: Simplify right side
    546,211.38x = 171,391,972,550.16
  5. Step 5: Solve for x
    x = 171,391,972,550.16/546,211.38
  6. Step 6: Final answer
    x = 313,783.23

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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.