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Finding the Fourth Proportional to 317,464.58, 437,976.42 and 181,425.56

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Solution

The fourth proportional to 317,464.58, 437,976.42 and 181,425.56 is: 250,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,464.58 : 437,976.42 = 181,425.56 : x
  2. Step 2: Convert to fraction form
    317,464.58/437,976.42 = 181,425.56/x
  3. Step 3: Cross multiply
    317,464.58x = 437,976.42 × 181,425.56
  4. Step 4: Simplify right side
    317,464.58x = 79,460,114,395.07
  5. Step 5: Solve for x
    x = 79,460,114,395.07/317,464.58
  6. Step 6: Final answer
    x = 250,296.00

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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.