Home / 421,936.76-582,273.36-230,962.22

Finding the Fourth Proportional to 421,936.76, 582,273.36 and 230,962.22

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Solution

The fourth proportional to 421,936.76, 582,273.36 and 230,962.22 is: 318,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,936.76 : 582,273.36 = 230,962.22 : x
  2. Step 2: Convert to fraction form
    421,936.76/582,273.36 = 230,962.22/x
  3. Step 3: Cross multiply
    421,936.76x = 582,273.36 × 230,962.22
  4. Step 4: Simplify right side
    421,936.76x = 134,483,147,872.46
  5. Step 5: Solve for x
    x = 134,483,147,872.46/421,936.76
  6. Step 6: Final answer
    x = 318,728.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.