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Finding the Fourth Proportional to 266,006.59, 367,103.95 and 145,149.93

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Solution

The fourth proportional to 266,006.59, 367,103.95 and 145,149.93 is: 200,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,006.59 : 367,103.95 = 145,149.93 : x
  2. Step 2: Convert to fraction form
    266,006.59/367,103.95 = 145,149.93/x
  3. Step 3: Cross multiply
    266,006.59x = 367,103.95 × 145,149.93
  4. Step 4: Simplify right side
    266,006.59x = 53,285,112,282.35
  5. Step 5: Solve for x
    x = 53,285,112,282.35/266,006.59
  6. Step 6: Final answer
    x = 200,315.01

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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.