Home / 442,927.65-664,497.07-143,408.32

Finding the Fourth Proportional to 442,927.65, 664,497.07 and 143,408.32

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Solution

The fourth proportional to 442,927.65, 664,497.07 and 143,408.32 is: 215,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,927.65 : 664,497.07 = 143,408.32 : x
  2. Step 2: Convert to fraction form
    442,927.65/664,497.07 = 143,408.32/x
  3. Step 3: Cross multiply
    442,927.65x = 664,497.07 × 143,408.32
  4. Step 4: Simplify right side
    442,927.65x = 95,294,408,453.62
  5. Step 5: Solve for x
    x = 95,294,408,453.62/442,927.65
  6. Step 6: Final answer
    x = 215,146.67

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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.