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Finding the Fourth Proportional to 376,677.96, 565,015.68 and 236,535

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Solution

The fourth proportional to 376,677.96, 565,015.68 and 236,535 is: 354,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,677.96 : 565,015.68 = 236,535 : x
  2. Step 2: Convert to fraction form
    376,677.96/565,015.68 = 236,535/x
  3. Step 3: Cross multiply
    376,677.96x = 565,015.68 × 236,535
  4. Step 4: Simplify right side
    376,677.96x = 133,645,983,868.80
  5. Step 5: Solve for x
    x = 133,645,983,868.80/376,677.96
  6. Step 6: Final answer
    x = 354,801.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.