Home / 388,077.48-582,080.54-103,757.85

Finding the Fourth Proportional to 388,077.48, 582,080.54 and 103,757.85

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Solution

The fourth proportional to 388,077.48, 582,080.54 and 103,757.85 is: 155,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,077.48 : 582,080.54 = 103,757.85 : x
  2. Step 2: Convert to fraction form
    388,077.48/582,080.54 = 103,757.85/x
  3. Step 3: Cross multiply
    388,077.48x = 582,080.54 × 103,757.85
  4. Step 4: Simplify right side
    388,077.48x = 60,395,424,838.45
  5. Step 5: Solve for x
    x = 60,395,424,838.45/388,077.48
  6. Step 6: Final answer
    x = 155,627.23

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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.