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Finding the Fourth Proportional to 301,092.27, 415,477.40 and 173,808.87

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Solution

The fourth proportional to 301,092.27, 415,477.40 and 173,808.87 is: 239,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,092.27 : 415,477.40 = 173,808.87 : x
  2. Step 2: Convert to fraction form
    301,092.27/415,477.40 = 173,808.87/x
  3. Step 3: Cross multiply
    301,092.27x = 415,477.40 × 173,808.87
  4. Step 4: Simplify right side
    301,092.27x = 72,213,656,535.49
  5. Step 5: Solve for x
    x = 72,213,656,535.49/301,092.27
  6. Step 6: Final answer
    x = 239,838.96

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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.