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Finding the Fourth Proportional to 303,419.82, 418,715.50 and 174,356.75

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Solution

The fourth proportional to 303,419.82, 418,715.50 and 174,356.75 is: 240,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,419.82 : 418,715.50 = 174,356.75 : x
  2. Step 2: Convert to fraction form
    303,419.82/418,715.50 = 174,356.75/x
  3. Step 3: Cross multiply
    303,419.82x = 418,715.50 × 174,356.75
  4. Step 4: Simplify right side
    303,419.82x = 73,005,875,182.82
  5. Step 5: Solve for x
    x = 73,005,875,182.82/303,419.82
  6. Step 6: Final answer
    x = 240,610.10

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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.