Home / 209,841.28-314,761.92-52,069.74

Finding the Fourth Proportional to 209,841.28, 314,761.92 and 52,069.74

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Solution

The fourth proportional to 209,841.28, 314,761.92 and 52,069.74 is: 78,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,841.28 : 314,761.92 = 52,069.74 : x
  2. Step 2: Convert to fraction form
    209,841.28/314,761.92 = 52,069.74/x
  3. Step 3: Cross multiply
    209,841.28x = 314,761.92 × 52,069.74
  4. Step 4: Simplify right side
    209,841.28x = 16,389,570,400.02
  5. Step 5: Solve for x
    x = 16,389,570,400.02/209,841.28
  6. Step 6: Final answer
    x = 78,104.60

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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.