Home / 286,236.06-429,515.39-263,649.82

Finding the Fourth Proportional to 286,236.06, 429,515.39 and 263,649.82

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Solution

The fourth proportional to 286,236.06, 429,515.39 and 263,649.82 is: 395,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,236.06 : 429,515.39 = 263,649.82 : x
  2. Step 2: Convert to fraction form
    286,236.06/429,515.39 = 263,649.82/x
  3. Step 3: Cross multiply
    286,236.06x = 429,515.39 × 263,649.82
  4. Step 4: Simplify right side
    286,236.06x = 113,241,652,868.69
  5. Step 5: Solve for x
    x = 113,241,652,868.69/286,236.06
  6. Step 6: Final answer
    x = 395,623.29

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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.