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Finding the Fourth Proportional to 266,873.43, 368,282.06 and 146,012.98

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Solution

The fourth proportional to 266,873.43, 368,282.06 and 146,012.98 is: 201,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,873.43 : 368,282.06 = 146,012.98 : x
  2. Step 2: Convert to fraction form
    266,873.43/368,282.06 = 146,012.98/x
  3. Step 3: Cross multiply
    266,873.43x = 368,282.06 × 146,012.98
  4. Step 4: Simplify right side
    266,873.43x = 53,773,960,648.45
  5. Step 5: Solve for x
    x = 53,773,960,648.45/266,873.43
  6. Step 6: Final answer
    x = 201,496.12

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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.