Home / 388,222.56-582,037.92-121,829.44

Finding the Fourth Proportional to 388,222.56, 582,037.92 and 121,829.44

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Solution

The fourth proportional to 388,222.56, 582,037.92 and 121,829.44 is: 182,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,222.56 : 582,037.92 = 121,829.44 : x
  2. Step 2: Convert to fraction form
    388,222.56/582,037.92 = 121,829.44/x
  3. Step 3: Cross multiply
    388,222.56x = 582,037.92 × 121,829.44
  4. Step 4: Simplify right side
    388,222.56x = 70,909,353,852.36
  5. Step 5: Solve for x
    x = 70,909,353,852.36/388,222.56
  6. Step 6: Final answer
    x = 182,651.30

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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.