Home / 211,571.34-317,358.18-53,799.90

Finding the Fourth Proportional to 211,571.34, 317,358.18 and 53,799.90

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Solution

The fourth proportional to 211,571.34, 317,358.18 and 53,799.90 is: 80,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,571.34 : 317,358.18 = 53,799.90 : x
  2. Step 2: Convert to fraction form
    211,571.34/317,358.18 = 53,799.90/x
  3. Step 3: Cross multiply
    211,571.34x = 317,358.18 × 53,799.90
  4. Step 4: Simplify right side
    211,571.34x = 17,073,838,348.18
  5. Step 5: Solve for x
    x = 17,073,838,348.18/211,571.34
  6. Step 6: Final answer
    x = 80,700.15

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1.5x scale

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.