Home / 421,826.94-582,119.64-228,234.06

Finding the Fourth Proportional to 421,826.94, 582,119.64 and 228,234.06

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Solution

The fourth proportional to 421,826.94, 582,119.64 and 228,234.06 is: 314,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,826.94 : 582,119.64 = 228,234.06 : x
  2. Step 2: Convert to fraction form
    421,826.94/582,119.64 = 228,234.06/x
  3. Step 3: Cross multiply
    421,826.94x = 582,119.64 × 228,234.06
  4. Step 4: Simplify right side
    421,826.94x = 132,859,528,842.94
  5. Step 5: Solve for x
    x = 132,859,528,842.94/421,826.94
  6. Step 6: Final answer
    x = 314,962.17

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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.