Home / 421,919.17-582,225.99-230,895.64

Finding the Fourth Proportional to 421,919.17, 582,225.99 and 230,895.64

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Solution

The fourth proportional to 421,919.17, 582,225.99 and 230,895.64 is: 318,623.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,919.17 : 582,225.99 = 230,895.64 : x
  2. Step 2: Convert to fraction form
    421,919.17/582,225.99 = 230,895.64/x
  3. Step 3: Cross multiply
    421,919.17x = 582,225.99 × 230,895.64
  4. Step 4: Simplify right side
    421,919.17x = 134,433,442,585.68
  5. Step 5: Solve for x
    x = 134,433,442,585.68/421,919.17
  6. Step 6: Final answer
    x = 318,623.69

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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.