Home / 209,924.20-314,886.30-207,955.90

Finding the Fourth Proportional to 209,924.20, 314,886.30 and 207,955.90

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Solution

The fourth proportional to 209,924.20, 314,886.30 and 207,955.90 is: 311,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,924.20 : 314,886.30 = 207,955.90 : x
  2. Step 2: Convert to fraction form
    209,924.20/314,886.30 = 207,955.90/x
  3. Step 3: Cross multiply
    209,924.20x = 314,886.30 × 207,955.90
  4. Step 4: Simplify right side
    209,924.20x = 65,482,463,914.17
  5. Step 5: Solve for x
    x = 65,482,463,914.17/209,924.20
  6. Step 6: Final answer
    x = 311,933.85

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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.