Home / 286,512.56-429,772.80-76,149.44

Finding the Fourth Proportional to 286,512.56, 429,772.80 and 76,149.44

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Solution

The fourth proportional to 286,512.56, 429,772.80 and 76,149.44 is: 114,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,512.56 : 429,772.80 = 76,149.44 : x
  2. Step 2: Convert to fraction form
    286,512.56/429,772.80 = 76,149.44/x
  3. Step 3: Cross multiply
    286,512.56x = 429,772.80 × 76,149.44
  4. Step 4: Simplify right side
    286,512.56x = 32,726,958,047.23
  5. Step 5: Solve for x
    x = 32,726,958,047.23/286,512.56
  6. Step 6: Final answer
    x = 114,225.21

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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.