Home / 216,211.38-324,053.87-153,049.40

Finding the Fourth Proportional to 216,211.38, 324,053.87 and 153,049.40

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Solution

The fourth proportional to 216,211.38, 324,053.87 and 153,049.40 is: 229,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,211.38 : 324,053.87 = 153,049.40 : x
  2. Step 2: Convert to fraction form
    216,211.38/324,053.87 = 153,049.40/x
  3. Step 3: Cross multiply
    216,211.38x = 324,053.87 × 153,049.40
  4. Step 4: Simplify right side
    216,211.38x = 49,596,249,200.86
  5. Step 5: Solve for x
    x = 49,596,249,200.86/216,211.38
  6. Step 6: Final answer
    x = 229,387.79

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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.