Home / 236,836.16-355,244.48-131,588

Finding the Fourth Proportional to 236,836.16, 355,244.48 and 131,588

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Solution

The fourth proportional to 236,836.16, 355,244.48 and 131,588 is: 197,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,836.16 : 355,244.48 = 131,588 : x
  2. Step 2: Convert to fraction form
    236,836.16/355,244.48 = 131,588/x
  3. Step 3: Cross multiply
    236,836.16x = 355,244.48 × 131,588
  4. Step 4: Simplify right side
    236,836.16x = 46,745,910,634.24
  5. Step 5: Solve for x
    x = 46,745,910,634.24/236,836.16
  6. Step 6: Final answer
    x = 197,376.58

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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.