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Finding the Fourth Proportional to 365,940.14, 548,534.37 and 141,239.66

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Solution

The fourth proportional to 365,940.14, 548,534.37 and 141,239.66 is: 211,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,940.14 : 548,534.37 = 141,239.66 : x
  2. Step 2: Convert to fraction form
    365,940.14/548,534.37 = 141,239.66/x
  3. Step 3: Cross multiply
    365,940.14x = 548,534.37 × 141,239.66
  4. Step 4: Simplify right side
    365,940.14x = 77,474,807,917.11
  5. Step 5: Solve for x
    x = 77,474,807,917.11/365,940.14
  6. Step 6: Final answer
    x = 211,714.43

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1.5x scale

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.