Home / 274,606.44-378,938.92-153,746.60

Finding the Fourth Proportional to 274,606.44, 378,938.92 and 153,746.60

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Solution

The fourth proportional to 274,606.44, 378,938.92 and 153,746.60 is: 212,160.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,606.44 : 378,938.92 = 153,746.60 : x
  2. Step 2: Convert to fraction form
    274,606.44/378,938.92 = 153,746.60/x
  3. Step 3: Cross multiply
    274,606.44x = 378,938.92 × 153,746.60
  4. Step 4: Simplify right side
    274,606.44x = 58,260,570,557.67
  5. Step 5: Solve for x
    x = 58,260,570,557.67/274,606.44
  6. Step 6: Final answer
    x = 212,160.25

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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.