Home / 388,523.95-582,864.75-122,222.53

Finding the Fourth Proportional to 388,523.95, 582,864.75 and 122,222.53

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Solution

The fourth proportional to 388,523.95, 582,864.75 and 122,222.53 is: 183,358.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,523.95 : 582,864.75 = 122,222.53 : x
  2. Step 2: Convert to fraction form
    388,523.95/582,864.75 = 122,222.53/x
  3. Step 3: Cross multiply
    388,523.95x = 582,864.75 × 122,222.53
  4. Step 4: Simplify right side
    388,523.95x = 71,239,204,392.82
  5. Step 5: Solve for x
    x = 71,239,204,392.82/388,523.95
  6. Step 6: Final answer
    x = 183,358.59

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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.