Home / 286,446.48-395,307.36-195,992.16

Finding the Fourth Proportional to 286,446.48, 395,307.36 and 195,992.16

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Solution

The fourth proportional to 286,446.48, 395,307.36 and 195,992.16 is: 270,476.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,446.48 : 395,307.36 = 195,992.16 : x
  2. Step 2: Convert to fraction form
    286,446.48/395,307.36 = 195,992.16/x
  3. Step 3: Cross multiply
    286,446.48x = 395,307.36 × 195,992.16
  4. Step 4: Simplify right side
    286,446.48x = 77,477,143,350.30
  5. Step 5: Solve for x
    x = 77,477,143,350.30/286,446.48
  6. Step 6: Final answer
    x = 270,476.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.