Home / 211,970.28-317,965.14-149,917.80

Finding the Fourth Proportional to 211,970.28, 317,965.14 and 149,917.80

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Solution

The fourth proportional to 211,970.28, 317,965.14 and 149,917.80 is: 224,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,970.28 : 317,965.14 = 149,917.80 : x
  2. Step 2: Convert to fraction form
    211,970.28/317,965.14 = 149,917.80/x
  3. Step 3: Cross multiply
    211,970.28x = 317,965.14 × 149,917.80
  4. Step 4: Simplify right side
    211,970.28x = 47,668,634,265.49
  5. Step 5: Solve for x
    x = 47,668,634,265.49/211,970.28
  6. Step 6: Final answer
    x = 224,883.57

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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.