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Finding the Fourth Proportional to 366,813.36, 550,106.28 and 177,155.82

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Solution

The fourth proportional to 366,813.36, 550,106.28 and 177,155.82 is: 265,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,813.36 : 550,106.28 = 177,155.82 : x
  2. Step 2: Convert to fraction form
    366,813.36/550,106.28 = 177,155.82/x
  3. Step 3: Cross multiply
    366,813.36x = 550,106.28 × 177,155.82
  4. Step 4: Simplify right side
    366,813.36x = 97,454,529,120.55
  5. Step 5: Solve for x
    x = 97,454,529,120.55/366,813.36
  6. Step 6: Final answer
    x = 265,678.79

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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.