Home / 651,356.64-976,917.84-230,634.72

Finding the Fourth Proportional to 651,356.64, 976,917.84 and 230,634.72

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Solution

The fourth proportional to 651,356.64, 976,917.84 and 230,634.72 is: 345,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,356.64 : 976,917.84 = 230,634.72 : x
  2. Step 2: Convert to fraction form
    651,356.64/976,917.84 = 230,634.72/x
  3. Step 3: Cross multiply
    651,356.64x = 976,917.84 × 230,634.72
  4. Step 4: Simplify right side
    651,356.64x = 225,311,172,491.41
  5. Step 5: Solve for x
    x = 225,311,172,491.41/651,356.64
  6. Step 6: Final answer
    x = 345,910.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.