Home / 211,753.13-317,620.58-53,976.87

Finding the Fourth Proportional to 211,753.13, 317,620.58 and 53,976.87

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Solution

The fourth proportional to 211,753.13, 317,620.58 and 53,976.87 is: 80,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,753.13 : 317,620.58 = 53,976.87 : x
  2. Step 2: Convert to fraction form
    211,753.13/317,620.58 = 53,976.87/x
  3. Step 3: Cross multiply
    211,753.13x = 317,620.58 × 53,976.87
  4. Step 4: Simplify right side
    211,753.13x = 17,144,164,486.10
  5. Step 5: Solve for x
    x = 17,144,164,486.10/211,753.13
  6. Step 6: Final answer
    x = 80,962.98

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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.