Home / 421,937.30-582,158.33-240,583.09

Finding the Fourth Proportional to 421,937.30, 582,158.33 and 240,583.09

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Solution

The fourth proportional to 421,937.30, 582,158.33 and 240,583.09 is: 331,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,937.30 : 582,158.33 = 240,583.09 : x
  2. Step 2: Convert to fraction form
    421,937.30/582,158.33 = 240,583.09/x
  3. Step 3: Cross multiply
    421,937.30x = 582,158.33 × 240,583.09
  4. Step 4: Simplify right side
    421,937.30x = 140,057,448,697.72
  5. Step 5: Solve for x
    x = 140,057,448,697.72/421,937.30
  6. Step 6: Final answer
    x = 331,939.01

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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.