Home / 388,172.24-582,252.78-121,948.74

Finding the Fourth Proportional to 388,172.24, 582,252.78 and 121,948.74

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Solution

The fourth proportional to 388,172.24, 582,252.78 and 121,948.74 is: 182,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,172.24 : 582,252.78 = 121,948.74 : x
  2. Step 2: Convert to fraction form
    388,172.24/582,252.78 = 121,948.74/x
  3. Step 3: Cross multiply
    388,172.24x = 582,252.78 × 121,948.74
  4. Step 4: Simplify right side
    388,172.24x = 71,004,992,882.50
  5. Step 5: Solve for x
    x = 71,004,992,882.50/388,172.24
  6. Step 6: Final answer
    x = 182,921.36

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1.5x scale

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.