Home / 424,120-585,286.82-242,834.71

Finding the Fourth Proportional to 424,120, 585,286.82 and 242,834.71

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Solution

The fourth proportional to 424,120, 585,286.82 and 242,834.71 is: 335,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,120 : 585,286.82 = 242,834.71 : x
  2. Step 2: Convert to fraction form
    424,120/585,286.82 = 242,834.71/x
  3. Step 3: Cross multiply
    424,120x = 585,286.82 × 242,834.71
  4. Step 4: Simplify right side
    424,120x = 142,127,953,987.35
  5. Step 5: Solve for x
    x = 142,127,953,987.35/424,120
  6. Step 6: Final answer
    x = 335,112.60

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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.