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Finding the Fourth Proportional to 251,143.95, 375,813.72 and 184,418.58

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Solution

The fourth proportional to 251,143.95, 375,813.72 and 184,418.58 is: 275,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,143.95 : 375,813.72 = 184,418.58 : x
  2. Step 2: Convert to fraction form
    251,143.95/375,813.72 = 184,418.58/x
  3. Step 3: Cross multiply
    251,143.95x = 375,813.72 × 184,418.58
  4. Step 4: Simplify right side
    251,143.95x = 69,307,032,586.92
  5. Step 5: Solve for x
    x = 69,307,032,586.92/251,143.95
  6. Step 6: Final answer
    x = 275,965.37

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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.