Home / 442,935.35-664,508.84-143,416.25

Finding the Fourth Proportional to 442,935.35, 664,508.84 and 143,416.25

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Solution

The fourth proportional to 442,935.35, 664,508.84 and 143,416.25 is: 215,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,935.35 : 664,508.84 = 143,416.25 : x
  2. Step 2: Convert to fraction form
    442,935.35/664,508.84 = 143,416.25/x
  3. Step 3: Cross multiply
    442,935.35x = 664,508.84 × 143,416.25
  4. Step 4: Simplify right side
    442,935.35x = 95,301,362,960.65
  5. Step 5: Solve for x
    x = 95,301,362,960.65/442,935.35
  6. Step 6: Final answer
    x = 215,158.63

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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.