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Finding the Fourth Proportional to 366,431.40, 548,713.96 and 241,393.32

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Solution

The fourth proportional to 366,431.40, 548,713.96 and 241,393.32 is: 361,475.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,431.40 : 548,713.96 = 241,393.32 : x
  2. Step 2: Convert to fraction form
    366,431.40/548,713.96 = 241,393.32/x
  3. Step 3: Cross multiply
    366,431.40x = 548,713.96 × 241,393.32
  4. Step 4: Simplify right side
    366,431.40x = 132,455,884,534.75
  5. Step 5: Solve for x
    x = 132,455,884,534.75/366,431.40
  6. Step 6: Final answer
    x = 361,475.26

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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.