Home / 200,319.62-300,509.19-58,166.10

Finding the Fourth Proportional to 200,319.62, 300,509.19 and 58,166.10

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Solution

The fourth proportional to 200,319.62, 300,509.19 and 58,166.10 is: 87,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,319.62 : 300,509.19 = 58,166.10 : x
  2. Step 2: Convert to fraction form
    200,319.62/300,509.19 = 58,166.10/x
  3. Step 3: Cross multiply
    200,319.62x = 300,509.19 × 58,166.10
  4. Step 4: Simplify right side
    200,319.62x = 17,479,447,596.46
  5. Step 5: Solve for x
    x = 17,479,447,596.46/200,319.62
  6. Step 6: Final answer
    x = 87,257.79

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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.