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Finding the Fourth Proportional to 366,904.99, 550,412.13 and 130,227.85

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Solution

The fourth proportional to 366,904.99, 550,412.13 and 130,227.85 is: 195,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,904.99 : 550,412.13 = 130,227.85 : x
  2. Step 2: Convert to fraction form
    366,904.99/550,412.13 = 130,227.85/x
  3. Step 3: Cross multiply
    366,904.99x = 550,412.13 × 130,227.85
  4. Step 4: Simplify right side
    366,904.99x = 71,678,988,303.82
  5. Step 5: Solve for x
    x = 71,678,988,303.82/366,904.99
  6. Step 6: Final answer
    x = 195,361.17

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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.