Home / 421,926.79-582,257.97-230,938.51

Finding the Fourth Proportional to 421,926.79, 582,257.97 and 230,938.51

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Solution

The fourth proportional to 421,926.79, 582,257.97 and 230,938.51 is: 318,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,926.79 : 582,257.97 = 230,938.51 : x
  2. Step 2: Convert to fraction form
    421,926.79/582,257.97 = 230,938.51/x
  3. Step 3: Cross multiply
    421,926.79x = 582,257.97 × 230,938.51
  4. Step 4: Simplify right side
    421,926.79x = 134,465,788,027.43
  5. Step 5: Solve for x
    x = 134,465,788,027.43/421,926.79
  6. Step 6: Final answer
    x = 318,694.60

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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.