Home / 456,148.32-629,508.48-274,917.60

Finding the Fourth Proportional to 456,148.32, 629,508.48 and 274,917.60

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Solution

The fourth proportional to 456,148.32, 629,508.48 and 274,917.60 is: 379,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,148.32 : 629,508.48 = 274,917.60 : x
  2. Step 2: Convert to fraction form
    456,148.32/629,508.48 = 274,917.60/x
  3. Step 3: Cross multiply
    456,148.32x = 629,508.48 × 274,917.60
  4. Step 4: Simplify right side
    456,148.32x = 173,062,960,501.25
  5. Step 5: Solve for x
    x = 173,062,960,501.25/456,148.32
  6. Step 6: Final answer
    x = 379,400.63

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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.