Home / 319,014.24-478,629.90-200,546.88

Finding the Fourth Proportional to 319,014.24, 478,629.90 and 200,546.88

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Solution

The fourth proportional to 319,014.24, 478,629.90 and 200,546.88 is: 300,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,014.24 : 478,629.90 = 200,546.88 : x
  2. Step 2: Convert to fraction form
    319,014.24/478,629.90 = 200,546.88/x
  3. Step 3: Cross multiply
    319,014.24x = 478,629.90 × 200,546.88
  4. Step 4: Simplify right side
    319,014.24x = 95,987,733,119.71
  5. Step 5: Solve for x
    x = 95,987,733,119.71/319,014.24
  6. Step 6: Final answer
    x = 300,888.55

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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.