Home / 274,789.10-411,574.62-211,140.71

Finding the Fourth Proportional to 274,789.10, 411,574.62 and 211,140.71

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Solution

The fourth proportional to 274,789.10, 411,574.62 and 211,140.71 is: 316,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,789.10 : 411,574.62 = 211,140.71 : x
  2. Step 2: Convert to fraction form
    274,789.10/411,574.62 = 211,140.71/x
  3. Step 3: Cross multiply
    274,789.10x = 411,574.62 × 211,140.71
  4. Step 4: Simplify right side
    274,789.10x = 86,900,157,484.78
  5. Step 5: Solve for x
    x = 86,900,157,484.78/274,789.10
  6. Step 6: Final answer
    x = 316,243.10

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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.