Home / 211,542.37-317,309.46-51,619.35

Finding the Fourth Proportional to 211,542.37, 317,309.46 and 51,619.35

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Solution

The fourth proportional to 211,542.37, 317,309.46 and 51,619.35 is: 77,428.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,542.37 : 317,309.46 = 51,619.35 : x
  2. Step 2: Convert to fraction form
    211,542.37/317,309.46 = 51,619.35/x
  3. Step 3: Cross multiply
    211,542.37x = 317,309.46 × 51,619.35
  4. Step 4: Simplify right side
    211,542.37x = 16,379,306,229.41
  5. Step 5: Solve for x
    x = 16,379,306,229.41/211,542.37
  6. Step 6: Final answer
    x = 77,428.02

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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.