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Finding the Fourth Proportional to 253,767.79, 380,622.03 and 101,958.72

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Solution

The fourth proportional to 253,767.79, 380,622.03 and 101,958.72 is: 152,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,767.79 : 380,622.03 = 101,958.72 : x
  2. Step 2: Convert to fraction form
    253,767.79/380,622.03 = 101,958.72/x
  3. Step 3: Cross multiply
    253,767.79x = 380,622.03 × 101,958.72
  4. Step 4: Simplify right side
    253,767.79x = 38,807,734,982.60
  5. Step 5: Solve for x
    x = 38,807,734,982.60/253,767.79
  6. Step 6: Final answer
    x = 152,926.17

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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.