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Finding the Fourth Proportional to 366,656.66, 505,984.57 and 205,511.72

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Solution

The fourth proportional to 366,656.66, 505,984.57 and 205,511.72 is: 283,605.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,656.66 : 505,984.57 = 205,511.72 : x
  2. Step 2: Convert to fraction form
    366,656.66/505,984.57 = 205,511.72/x
  3. Step 3: Cross multiply
    366,656.66x = 505,984.57 × 205,511.72
  4. Step 4: Simplify right side
    366,656.66x = 103,985,757,386.46
  5. Step 5: Solve for x
    x = 103,985,757,386.46/366,656.66
  6. Step 6: Final answer
    x = 283,605.26

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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.