Home / 388,491.06-582,826.74-122,244.64

Finding the Fourth Proportional to 388,491.06, 582,826.74 and 122,244.64

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Solution

The fourth proportional to 388,491.06, 582,826.74 and 122,244.64 is: 183,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,491.06 : 582,826.74 = 122,244.64 : x
  2. Step 2: Convert to fraction form
    388,491.06/582,826.74 = 122,244.64/x
  3. Step 3: Cross multiply
    388,491.06x = 582,826.74 × 122,244.64
  4. Step 4: Simplify right side
    388,491.06x = 71,247,445,013.67
  5. Step 5: Solve for x
    x = 71,247,445,013.67/388,491.06
  6. Step 6: Final answer
    x = 183,395.33

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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.