Home / 388,290.16-582,498.35-114,764.12

Finding the Fourth Proportional to 388,290.16, 582,498.35 and 114,764.12

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Solution

The fourth proportional to 388,290.16, 582,498.35 and 114,764.12 is: 172,164.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,290.16 : 582,498.35 = 114,764.12 : x
  2. Step 2: Convert to fraction form
    388,290.16/582,498.35 = 114,764.12/x
  3. Step 3: Cross multiply
    388,290.16x = 582,498.35 × 114,764.12
  4. Step 4: Simplify right side
    388,290.16x = 66,849,913,589.73
  5. Step 5: Solve for x
    x = 66,849,913,589.73/388,290.16
  6. Step 6: Final answer
    x = 172,164.84

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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.