Home / 421,905.92-582,207.82-230,882.40

Finding the Fourth Proportional to 421,905.92, 582,207.82 and 230,882.40

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Solution

The fourth proportional to 421,905.92, 582,207.82 and 230,882.40 is: 318,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,905.92 : 582,207.82 = 230,882.40 : x
  2. Step 2: Convert to fraction form
    421,905.92/582,207.82 = 230,882.40/x
  3. Step 3: Cross multiply
    421,905.92x = 582,207.82 × 230,882.40
  4. Step 4: Simplify right side
    421,905.92x = 134,421,538,203.16
  5. Step 5: Solve for x
    x = 134,421,538,203.16/421,905.92
  6. Step 6: Final answer
    x = 318,605.48

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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.