Home / 317,797.14-438,558.18-172,601.30

Finding the Fourth Proportional to 317,797.14, 438,558.18 and 172,601.30

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Solution

The fourth proportional to 317,797.14, 438,558.18 and 172,601.30 is: 238,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,797.14 : 438,558.18 = 172,601.30 : x
  2. Step 2: Convert to fraction form
    317,797.14/438,558.18 = 172,601.30/x
  3. Step 3: Cross multiply
    317,797.14x = 438,558.18 × 172,601.30
  4. Step 4: Simplify right side
    317,797.14x = 75,695,709,800.84
  5. Step 5: Solve for x
    x = 75,695,709,800.84/317,797.14
  6. Step 6: Final answer
    x = 238,188.77

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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.