Home / 209,977.39-314,967.29-52,205.85

Finding the Fourth Proportional to 209,977.39, 314,967.29 and 52,205.85

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Solution

The fourth proportional to 209,977.39, 314,967.29 and 52,205.85 is: 78,309.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,977.39 : 314,967.29 = 52,205.85 : x
  2. Step 2: Convert to fraction form
    209,977.39/314,967.29 = 52,205.85/x
  3. Step 3: Cross multiply
    209,977.39x = 314,967.29 × 52,205.85
  4. Step 4: Simplify right side
    209,977.39x = 16,443,135,096.65
  5. Step 5: Solve for x
    x = 16,443,135,096.65/209,977.39
  6. Step 6: Final answer
    x = 78,309.07

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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.