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Finding the Fourth Proportional to 303,369.40, 418,733.04 and 176,086

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Solution

The fourth proportional to 303,369.40, 418,733.04 and 176,086 is: 243,047.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,369.40 : 418,733.04 = 176,086 : x
  2. Step 2: Convert to fraction form
    303,369.40/418,733.04 = 176,086/x
  3. Step 3: Cross multiply
    303,369.40x = 418,733.04 × 176,086
  4. Step 4: Simplify right side
    303,369.40x = 73,733,026,081.44
  5. Step 5: Solve for x
    x = 73,733,026,081.44/303,369.40
  6. Step 6: Final answer
    x = 243,047.01

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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.