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Finding the Fourth Proportional to 546,391.86, 819,120.24 and 209,674.14

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Solution

The fourth proportional to 546,391.86, 819,120.24 and 209,674.14 is: 314,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,391.86 : 819,120.24 = 209,674.14 : x
  2. Step 2: Convert to fraction form
    546,391.86/819,120.24 = 209,674.14/x
  3. Step 3: Cross multiply
    546,391.86x = 819,120.24 × 209,674.14
  4. Step 4: Simplify right side
    546,391.86x = 171,748,331,878.59
  5. Step 5: Solve for x
    x = 171,748,331,878.59/546,391.86
  6. Step 6: Final answer
    x = 314,331.79

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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.