Home / 229,211.71-343,739.70-79,417.04

Finding the Fourth Proportional to 229,211.71, 343,739.70 and 79,417.04

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Solution

The fourth proportional to 229,211.71, 343,739.70 and 79,417.04 is: 119,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,211.71 : 343,739.70 = 79,417.04 : x
  2. Step 2: Convert to fraction form
    229,211.71/343,739.70 = 79,417.04/x
  3. Step 3: Cross multiply
    229,211.71x = 343,739.70 × 79,417.04
  4. Step 4: Simplify right side
    229,211.71x = 27,298,787,785.79
  5. Step 5: Solve for x
    x = 27,298,787,785.79/229,211.71
  6. Step 6: Final answer
    x = 119,098.58

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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.