Home / 768,175.60-1,152,436.20-235,721.20

Finding the Fourth Proportional to 768,175.60, 1,152,436.20 and 235,721.20

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Solution

The fourth proportional to 768,175.60, 1,152,436.20 and 235,721.20 is: 353,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,175.60 : 1,152,436.20 = 235,721.20 : x
  2. Step 2: Convert to fraction form
    768,175.60/1,152,436.20 = 235,721.20/x
  3. Step 3: Cross multiply
    768,175.60x = 1,152,436.20 × 235,721.20
  4. Step 4: Simplify right side
    768,175.60x = 271,653,643,987.44
  5. Step 5: Solve for x
    x = 271,653,643,987.44/768,175.60
  6. Step 6: Final answer
    x = 353,634.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.