Home / 229,975.59-345,007.23-80,258.64

Finding the Fourth Proportional to 229,975.59, 345,007.23 and 80,258.64

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Solution

The fourth proportional to 229,975.59, 345,007.23 and 80,258.64 is: 120,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,975.59 : 345,007.23 = 80,258.64 : x
  2. Step 2: Convert to fraction form
    229,975.59/345,007.23 = 80,258.64/x
  3. Step 3: Cross multiply
    229,975.59x = 345,007.23 × 80,258.64
  4. Step 4: Simplify right side
    229,975.59x = 27,689,811,069.97
  5. Step 5: Solve for x
    x = 27,689,811,069.97/229,975.59
  6. Step 6: Final answer
    x = 120,403.26

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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.