Home / 353,913.13-488,506.85-240,801.49

Finding the Fourth Proportional to 353,913.13, 488,506.85 and 240,801.49

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Solution

The fourth proportional to 353,913.13, 488,506.85 and 240,801.49 is: 332,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,913.13 : 488,506.85 = 240,801.49 : x
  2. Step 2: Convert to fraction form
    353,913.13/488,506.85 = 240,801.49/x
  3. Step 3: Cross multiply
    353,913.13x = 488,506.85 × 240,801.49
  4. Step 4: Simplify right side
    353,913.13x = 117,633,177,355.21
  5. Step 5: Solve for x
    x = 117,633,177,355.21/353,913.13
  6. Step 6: Final answer
    x = 332,378.68

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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.