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Finding the Fourth Proportional to 271,776.87, 375,054.71 and 158,577.75

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Solution

The fourth proportional to 271,776.87, 375,054.71 and 158,577.75 is: 218,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,776.87 : 375,054.71 = 158,577.75 : x
  2. Step 2: Convert to fraction form
    271,776.87/375,054.71 = 158,577.75/x
  3. Step 3: Cross multiply
    271,776.87x = 375,054.71 × 158,577.75
  4. Step 4: Simplify right side
    271,776.87x = 59,475,331,245.81
  5. Step 5: Solve for x
    x = 59,475,331,245.81/271,776.87
  6. Step 6: Final answer
    x = 218,838.83

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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.