Home / 421,933.76-582,264.04-228,337.18

Finding the Fourth Proportional to 421,933.76, 582,264.04 and 228,337.18

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Solution

The fourth proportional to 421,933.76, 582,264.04 and 228,337.18 is: 315,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,933.76 : 582,264.04 = 228,337.18 : x
  2. Step 2: Convert to fraction form
    421,933.76/582,264.04 = 228,337.18/x
  3. Step 3: Cross multiply
    421,933.76x = 582,264.04 × 228,337.18
  4. Step 4: Simplify right side
    421,933.76x = 132,952,527,767.32
  5. Step 5: Solve for x
    x = 132,952,527,767.32/421,933.76
  6. Step 6: Final answer
    x = 315,102.85

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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.