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Finding the Fourth Proportional to 366,918.40, 550,377.60 and 352,921.60

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Solution

The fourth proportional to 366,918.40, 550,377.60 and 352,921.60 is: 529,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,918.40 : 550,377.60 = 352,921.60 : x
  2. Step 2: Convert to fraction form
    366,918.40/550,377.60 = 352,921.60/x
  3. Step 3: Cross multiply
    366,918.40x = 550,377.60 × 352,921.60
  4. Step 4: Simplify right side
    366,918.40x = 194,240,143,196.16
  5. Step 5: Solve for x
    x = 194,240,143,196.16/366,918.40
  6. Step 6: Final answer
    x = 529,382.40

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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.