Home / 289,732.23-399,913.81-174,992.65

Finding the Fourth Proportional to 289,732.23, 399,913.81 and 174,992.65

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Solution

The fourth proportional to 289,732.23, 399,913.81 and 174,992.65 is: 241,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,732.23 : 399,913.81 = 174,992.65 : x
  2. Step 2: Convert to fraction form
    289,732.23/399,913.81 = 174,992.65/x
  3. Step 3: Cross multiply
    289,732.23x = 399,913.81 × 174,992.65
  4. Step 4: Simplify right side
    289,732.23x = 69,981,975,946.23
  5. Step 5: Solve for x
    x = 69,981,975,946.23/289,732.23
  6. Step 6: Final answer
    x = 241,540.18

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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.