Home / 388,299.37-582,211.20-151,365.25

Finding the Fourth Proportional to 388,299.37, 582,211.20 and 151,365.25

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Solution

The fourth proportional to 388,299.37, 582,211.20 and 151,365.25 is: 226,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,299.37 : 582,211.20 = 151,365.25 : x
  2. Step 2: Convert to fraction form
    388,299.37/582,211.20 = 151,365.25/x
  3. Step 3: Cross multiply
    388,299.37x = 582,211.20 × 151,365.25
  4. Step 4: Simplify right side
    388,299.37x = 88,126,543,840.80
  5. Step 5: Solve for x
    x = 88,126,543,840.80/388,299.37
  6. Step 6: Final answer
    x = 226,955.16

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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.