Home / 274,360.20-378,595.48-153,492

Finding the Fourth Proportional to 274,360.20, 378,595.48 and 153,492

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Solution

The fourth proportional to 274,360.20, 378,595.48 and 153,492 is: 211,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,360.20 : 378,595.48 = 153,492 : x
  2. Step 2: Convert to fraction form
    274,360.20/378,595.48 = 153,492/x
  3. Step 3: Cross multiply
    274,360.20x = 378,595.48 × 153,492
  4. Step 4: Simplify right side
    274,360.20x = 58,111,377,416.16
  5. Step 5: Solve for x
    x = 58,111,377,416.16/274,360.20
  6. Step 6: Final answer
    x = 211,806.88

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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.