Home / 388,652.56-582,923.46-122,406.16

Finding the Fourth Proportional to 388,652.56, 582,923.46 and 122,406.16

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Solution

The fourth proportional to 388,652.56, 582,923.46 and 122,406.16 is: 183,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,652.56 : 582,923.46 = 122,406.16 : x
  2. Step 2: Convert to fraction form
    388,652.56/582,923.46 = 122,406.16/x
  3. Step 3: Cross multiply
    388,652.56x = 582,923.46 × 122,406.16
  4. Step 4: Simplify right side
    388,652.56x = 71,353,422,312.51
  5. Step 5: Solve for x
    x = 71,353,422,312.51/388,652.56
  6. Step 6: Final answer
    x = 183,591.80

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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.