Home / 285,596.24-427,926.96-172,935.20

Finding the Fourth Proportional to 285,596.24, 427,926.96 and 172,935.20

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Solution

The fourth proportional to 285,596.24, 427,926.96 and 172,935.20 is: 259,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,596.24 : 427,926.96 = 172,935.20 : x
  2. Step 2: Convert to fraction form
    285,596.24/427,926.96 = 172,935.20/x
  3. Step 3: Cross multiply
    285,596.24x = 427,926.96 × 172,935.20
  4. Step 4: Simplify right side
    285,596.24x = 74,003,634,412.99
  5. Step 5: Solve for x
    x = 74,003,634,412.99/285,596.24
  6. Step 6: Final answer
    x = 259,119.78

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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.