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Finding the Fourth Proportional to 317,289.79, 437,855.83 and 181,322.18

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Solution

The fourth proportional to 317,289.79, 437,855.83 and 181,322.18 is: 250,222.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,289.79 : 437,855.83 = 181,322.18 : x
  2. Step 2: Convert to fraction form
    317,289.79/437,855.83 = 181,322.18/x
  3. Step 3: Cross multiply
    317,289.79x = 437,855.83 × 181,322.18
  4. Step 4: Simplify right side
    317,289.79x = 79,392,974,489.30
  5. Step 5: Solve for x
    x = 79,392,974,489.30/317,289.79
  6. Step 6: Final answer
    x = 250,222.28

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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.