Home / 209,983.77-314,976.84-52,212.24

Finding the Fourth Proportional to 209,983.77, 314,976.84 and 52,212.24

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Solution

The fourth proportional to 209,983.77, 314,976.84 and 52,212.24 is: 78,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,983.77 : 314,976.84 = 52,212.24 : x
  2. Step 2: Convert to fraction form
    209,983.77/314,976.84 = 52,212.24/x
  3. Step 3: Cross multiply
    209,983.77x = 314,976.84 × 52,212.24
  4. Step 4: Simplify right side
    209,983.77x = 16,445,646,364.52
  5. Step 5: Solve for x
    x = 16,445,646,364.52/209,983.77
  6. Step 6: Final answer
    x = 78,318.65

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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.