Home / 229,211.20-343,816.80-208,544.05

Finding the Fourth Proportional to 229,211.20, 343,816.80 and 208,544.05

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Solution

The fourth proportional to 229,211.20, 343,816.80 and 208,544.05 is: 312,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,211.20 : 343,816.80 = 208,544.05 : x
  2. Step 2: Convert to fraction form
    229,211.20/343,816.80 = 208,544.05/x
  3. Step 3: Cross multiply
    229,211.20x = 343,816.80 × 208,544.05
  4. Step 4: Simplify right side
    229,211.20x = 71,700,947,930.04
  5. Step 5: Solve for x
    x = 71,700,947,930.04/229,211.20
  6. Step 6: Final answer
    x = 312,816.08

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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.