Home / 388,364.22-582,543.09-100,175.13

Finding the Fourth Proportional to 388,364.22, 582,543.09 and 100,175.13

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Solution

The fourth proportional to 388,364.22, 582,543.09 and 100,175.13 is: 150,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,364.22 : 582,543.09 = 100,175.13 : x
  2. Step 2: Convert to fraction form
    388,364.22/582,543.09 = 100,175.13/x
  3. Step 3: Cross multiply
    388,364.22x = 582,543.09 × 100,175.13
  4. Step 4: Simplify right side
    388,364.22x = 58,356,329,771.35
  5. Step 5: Solve for x
    x = 58,356,329,771.35/388,364.22
  6. Step 6: Final answer
    x = 150,261.86

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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.