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Finding the Fourth Proportional to 300,898.80, 450,682.65 and 122,865.93

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Solution

The fourth proportional to 300,898.80, 450,682.65 and 122,865.93 is: 184,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,898.80 : 450,682.65 = 122,865.93 : x
  2. Step 2: Convert to fraction form
    300,898.80/450,682.65 = 122,865.93/x
  3. Step 3: Cross multiply
    300,898.80x = 450,682.65 × 122,865.93
  4. Step 4: Simplify right side
    300,898.80x = 55,373,542,927.11
  5. Step 5: Solve for x
    x = 55,373,542,927.11/300,898.80
  6. Step 6: Final answer
    x = 184,027.13

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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.