Home / 211,422.80-317,132.76-51,496.82

Finding the Fourth Proportional to 211,422.80, 317,132.76 and 51,496.82

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Solution

The fourth proportional to 211,422.80, 317,132.76 and 51,496.82 is: 77,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,422.80 : 317,132.76 = 51,496.82 : x
  2. Step 2: Convert to fraction form
    211,422.80/317,132.76 = 51,496.82/x
  3. Step 3: Cross multiply
    211,422.80x = 317,132.76 × 51,496.82
  4. Step 4: Simplify right side
    211,422.80x = 16,331,328,657.82
  5. Step 5: Solve for x
    x = 16,331,328,657.82/211,422.80
  6. Step 6: Final answer
    x = 77,244.88

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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.