Home / 245,567.20-338,680.56-144,868

Finding the Fourth Proportional to 245,567.20, 338,680.56 and 144,868

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Solution

The fourth proportional to 245,567.20, 338,680.56 and 144,868 is: 199,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,567.20 : 338,680.56 = 144,868 : x
  2. Step 2: Convert to fraction form
    245,567.20/338,680.56 = 144,868/x
  3. Step 3: Cross multiply
    245,567.20x = 338,680.56 × 144,868
  4. Step 4: Simplify right side
    245,567.20x = 49,063,975,366.08
  5. Step 5: Solve for x
    x = 49,063,975,366.08/245,567.20
  6. Step 6: Final answer
    x = 199,798.57

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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.