Home / 274,347.16-378,613.79-153,481.24

Finding the Fourth Proportional to 274,347.16, 378,613.79 and 153,481.24

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Solution

The fourth proportional to 274,347.16, 378,613.79 and 153,481.24 is: 211,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,347.16 : 378,613.79 = 153,481.24 : x
  2. Step 2: Convert to fraction form
    274,347.16/378,613.79 = 153,481.24/x
  3. Step 3: Cross multiply
    274,347.16x = 378,613.79 × 153,481.24
  4. Step 4: Simplify right side
    274,347.16x = 58,110,113,970.30
  5. Step 5: Solve for x
    x = 58,110,113,970.30/274,347.16
  6. Step 6: Final answer
    x = 211,812.34

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1.5x scale

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.