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Finding the Fourth Proportional to 271,791.07, 407,624.63 and 103,330.10

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Solution

The fourth proportional to 271,791.07, 407,624.63 and 103,330.10 is: 154,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,791.07 : 407,624.63 = 103,330.10 : x
  2. Step 2: Convert to fraction form
    271,791.07/407,624.63 = 103,330.10/x
  3. Step 3: Cross multiply
    271,791.07x = 407,624.63 × 103,330.10
  4. Step 4: Simplify right side
    271,791.07x = 42,119,894,282.77
  5. Step 5: Solve for x
    x = 42,119,894,282.77/271,791.07
  6. Step 6: Final answer
    x = 154,971.59

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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.