Home / 286,832.92-395,782.86-159,505.24

Finding the Fourth Proportional to 286,832.92, 395,782.86 and 159,505.24

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Solution

The fourth proportional to 286,832.92, 395,782.86 and 159,505.24 is: 220,091.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,832.92 : 395,782.86 = 159,505.24 : x
  2. Step 2: Convert to fraction form
    286,832.92/395,782.86 = 159,505.24/x
  3. Step 3: Cross multiply
    286,832.92x = 395,782.86 × 159,505.24
  4. Step 4: Simplify right side
    286,832.92x = 63,129,440,072.19
  5. Step 5: Solve for x
    x = 63,129,440,072.19/286,832.92
  6. Step 6: Final answer
    x = 220,091.33

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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.