Home / 286,006.14-428,915.05-96,415.31

Finding the Fourth Proportional to 286,006.14, 428,915.05 and 96,415.31

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Solution

The fourth proportional to 286,006.14, 428,915.05 and 96,415.31 is: 144,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,006.14 : 428,915.05 = 96,415.31 : x
  2. Step 2: Convert to fraction form
    286,006.14/428,915.05 = 96,415.31/x
  3. Step 3: Cross multiply
    286,006.14x = 428,915.05 × 96,415.31
  4. Step 4: Simplify right side
    286,006.14x = 41,353,978,340.66
  5. Step 5: Solve for x
    x = 41,353,978,340.66/286,006.14
  6. Step 6: Final answer
    x = 144,591.23

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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.