Home / 388,895.40-582,176.70-231,042.60

Finding the Fourth Proportional to 388,895.40, 582,176.70 and 231,042.60

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Solution

The fourth proportional to 388,895.40, 582,176.70 and 231,042.60 is: 345,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,895.40 : 582,176.70 = 231,042.60 : x
  2. Step 2: Convert to fraction form
    388,895.40/582,176.70 = 231,042.60/x
  3. Step 3: Cross multiply
    388,895.40x = 582,176.70 × 231,042.60
  4. Step 4: Simplify right side
    388,895.40x = 134,507,618,427.42
  5. Step 5: Solve for x
    x = 134,507,618,427.42/388,895.40
  6. Step 6: Final answer
    x = 345,870.94

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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.