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Finding the Fourth Proportional to 303,677.84, 418,977.96 and 169,515.92

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Solution

The fourth proportional to 303,677.84, 418,977.96 and 169,515.92 is: 233,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,677.84 : 418,977.96 = 169,515.92 : x
  2. Step 2: Convert to fraction form
    303,677.84/418,977.96 = 169,515.92/x
  3. Step 3: Cross multiply
    303,677.84x = 418,977.96 × 169,515.92
  4. Step 4: Simplify right side
    303,677.84x = 71,023,434,349.12
  5. Step 5: Solve for x
    x = 71,023,434,349.12/303,677.84
  6. Step 6: Final answer
    x = 233,877.57

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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.