Home / 379,266.45-568,921.54-142,611.18

Finding the Fourth Proportional to 379,266.45, 568,921.54 and 142,611.18

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Solution

The fourth proportional to 379,266.45, 568,921.54 and 142,611.18 is: 213,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,266.45 : 568,921.54 = 142,611.18 : x
  2. Step 2: Convert to fraction form
    379,266.45/568,921.54 = 142,611.18/x
  3. Step 3: Cross multiply
    379,266.45x = 568,921.54 × 142,611.18
  4. Step 4: Simplify right side
    379,266.45x = 81,134,572,146.82
  5. Step 5: Solve for x
    x = 81,134,572,146.82/379,266.45
  6. Step 6: Final answer
    x = 213,924.99

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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.