Home / 353,919.26-488,515.30-240,807.62

Finding the Fourth Proportional to 353,919.26, 488,515.30 and 240,807.62

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Solution

The fourth proportional to 353,919.26, 488,515.30 and 240,807.62 is: 332,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,919.26 : 488,515.30 = 240,807.62 : x
  2. Step 2: Convert to fraction form
    353,919.26/488,515.30 = 240,807.62/x
  3. Step 3: Cross multiply
    353,919.26x = 488,515.30 × 240,807.62
  4. Step 4: Simplify right side
    353,919.26x = 117,638,206,726.59
  5. Step 5: Solve for x
    x = 117,638,206,726.59/353,919.26
  6. Step 6: Final answer
    x = 332,387.13

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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.