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Finding the Fourth Proportional to 303,278.04, 418,388.36 and 175,879.80

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Solution

The fourth proportional to 303,278.04, 418,388.36 and 175,879.80 is: 242,635.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,278.04 : 418,388.36 = 175,879.80 : x
  2. Step 2: Convert to fraction form
    303,278.04/418,388.36 = 175,879.80/x
  3. Step 3: Cross multiply
    303,278.04x = 418,388.36 × 175,879.80
  4. Step 4: Simplify right side
    303,278.04x = 73,586,061,079.13
  5. Step 5: Solve for x
    x = 73,586,061,079.13/303,278.04
  6. Step 6: Final answer
    x = 242,635.64

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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.