Home / 408,965.08-613,240.14-187,159

Finding the Fourth Proportional to 408,965.08, 613,240.14 and 187,159

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Solution

The fourth proportional to 408,965.08, 613,240.14 and 187,159 is: 280,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,965.08 : 613,240.14 = 187,159 : x
  2. Step 2: Convert to fraction form
    408,965.08/613,240.14 = 187,159/x
  3. Step 3: Cross multiply
    408,965.08x = 613,240.14 × 187,159
  4. Step 4: Simplify right side
    408,965.08x = 114,773,411,362.26
  5. Step 5: Solve for x
    x = 114,773,411,362.26/408,965.08
  6. Step 6: Final answer
    x = 280,643.55

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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.