Home / 285,192.28-428,208.96-159,078.93

Finding the Fourth Proportional to 285,192.28, 428,208.96 and 159,078.93

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Solution

The fourth proportional to 285,192.28, 428,208.96 and 159,078.93 is: 238,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,192.28 : 428,208.96 = 159,078.93 : x
  2. Step 2: Convert to fraction form
    285,192.28/428,208.96 = 159,078.93/x
  3. Step 3: Cross multiply
    285,192.28x = 428,208.96 × 159,078.93
  4. Step 4: Simplify right side
    285,192.28x = 68,119,022,163.98
  5. Step 5: Solve for x
    x = 68,119,022,163.98/285,192.28
  6. Step 6: Final answer
    x = 238,852.97

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1.5x scale

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.