Home / 354,246.41-531,272.34-211,979.76

Finding the Fourth Proportional to 354,246.41, 531,272.34 and 211,979.76

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Solution

The fourth proportional to 354,246.41, 531,272.34 and 211,979.76 is: 317,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,246.41 : 531,272.34 = 211,979.76 : x
  2. Step 2: Convert to fraction form
    354,246.41/531,272.34 = 211,979.76/x
  3. Step 3: Cross multiply
    354,246.41x = 531,272.34 × 211,979.76
  4. Step 4: Simplify right side
    354,246.41x = 112,618,983,127.84
  5. Step 5: Solve for x
    x = 112,618,983,127.84/354,246.41
  6. Step 6: Final answer
    x = 317,911.44

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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.