Home / 285,936.42-429,185.30-238,853.96

Finding the Fourth Proportional to 285,936.42, 429,185.30 and 238,853.96

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Solution

The fourth proportional to 285,936.42, 429,185.30 and 238,853.96 is: 358,515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,936.42 : 429,185.30 = 238,853.96 : x
  2. Step 2: Convert to fraction form
    285,936.42/429,185.30 = 238,853.96/x
  3. Step 3: Cross multiply
    285,936.42x = 429,185.30 × 238,853.96
  4. Step 4: Simplify right side
    285,936.42x = 102,512,605,138.59
  5. Step 5: Solve for x
    x = 102,512,605,138.59/285,936.42
  6. Step 6: Final answer
    x = 358,515.38

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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.