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Finding the Fourth Proportional to 366,186.66, 549,079.31 and 113,396.97

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Solution

The fourth proportional to 366,186.66, 549,079.31 and 113,396.97 is: 170,033.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,186.66 : 549,079.31 = 113,396.97 : x
  2. Step 2: Convert to fraction form
    366,186.66/549,079.31 = 113,396.97/x
  3. Step 3: Cross multiply
    366,186.66x = 549,079.31 × 113,396.97
  4. Step 4: Simplify right side
    366,186.66x = 62,263,929,476.71
  5. Step 5: Solve for x
    x = 62,263,929,476.71/366,186.66
  6. Step 6: Final answer
    x = 170,033.31

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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.