Home / 388,642.95-582,964.47-151,819.56

Finding the Fourth Proportional to 388,642.95, 582,964.47 and 151,819.56

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Solution

The fourth proportional to 388,642.95, 582,964.47 and 151,819.56 is: 227,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,642.95 : 582,964.47 = 151,819.56 : x
  2. Step 2: Convert to fraction form
    388,642.95/582,964.47 = 151,819.56/x
  3. Step 3: Cross multiply
    388,642.95x = 582,964.47 × 151,819.56
  4. Step 4: Simplify right side
    388,642.95x = 88,505,409,331.03
  5. Step 5: Solve for x
    x = 88,505,409,331.03/388,642.95
  6. Step 6: Final answer
    x = 227,729.36

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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.