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Finding the Fourth Proportional to 266,994.14, 368,449.08 and 144,483.83

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Solution

The fourth proportional to 266,994.14, 368,449.08 and 144,483.83 is: 199,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,994.14 : 368,449.08 = 144,483.83 : x
  2. Step 2: Convert to fraction form
    266,994.14/368,449.08 = 144,483.83/x
  3. Step 3: Cross multiply
    266,994.14x = 368,449.08 × 144,483.83
  4. Step 4: Simplify right side
    266,994.14x = 53,234,932,396.13
  5. Step 5: Solve for x
    x = 53,234,932,396.13/266,994.14
  6. Step 6: Final answer
    x = 199,386.15

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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.