Home / 421,229.15-581,336.91-249,202.42

Finding the Fourth Proportional to 421,229.15, 581,336.91 and 249,202.42

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Solution

The fourth proportional to 421,229.15, 581,336.91 and 249,202.42 is: 343,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,229.15 : 581,336.91 = 249,202.42 : x
  2. Step 2: Convert to fraction form
    421,229.15/581,336.91 = 249,202.42/x
  3. Step 3: Cross multiply
    421,229.15x = 581,336.91 × 249,202.42
  4. Step 4: Simplify right side
    421,229.15x = 144,870,566,974.44
  5. Step 5: Solve for x
    x = 144,870,566,974.44/421,229.15
  6. Step 6: Final answer
    x = 343,923.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.