Home / 571,315.05-857,029.41-211,582.17

Finding the Fourth Proportional to 571,315.05, 857,029.41 and 211,582.17

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Solution

The fourth proportional to 571,315.05, 857,029.41 and 211,582.17 is: 317,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,315.05 : 857,029.41 = 211,582.17 : x
  2. Step 2: Convert to fraction form
    571,315.05/857,029.41 = 211,582.17/x
  3. Step 3: Cross multiply
    571,315.05x = 857,029.41 × 211,582.17
  4. Step 4: Simplify right side
    571,315.05x = 181,332,142,321.62
  5. Step 5: Solve for x
    x = 181,332,142,321.62/571,315.05
  6. Step 6: Final answer
    x = 317,394.30

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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.