Home / 421,882.51-582,194.43-230,895.46

Finding the Fourth Proportional to 421,882.51, 582,194.43 and 230,895.46

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Solution

The fourth proportional to 421,882.51, 582,194.43 and 230,895.46 is: 318,633.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,882.51 : 582,194.43 = 230,895.46 : x
  2. Step 2: Convert to fraction form
    421,882.51/582,194.43 = 230,895.46/x
  3. Step 3: Cross multiply
    421,882.51x = 582,194.43 × 230,895.46
  4. Step 4: Simplify right side
    421,882.51x = 134,426,050,724.29
  5. Step 5: Solve for x
    x = 134,426,050,724.29/421,882.51
  6. Step 6: Final answer
    x = 318,633.86

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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.