Home / 211,634.06-317,330.78-163,585.66

Finding the Fourth Proportional to 211,634.06, 317,330.78 and 163,585.66

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Solution

The fourth proportional to 211,634.06, 317,330.78 and 163,585.66 is: 245,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,634.06 : 317,330.78 = 163,585.66 : x
  2. Step 2: Convert to fraction form
    211,634.06/317,330.78 = 163,585.66/x
  3. Step 3: Cross multiply
    211,634.06x = 317,330.78 × 163,585.66
  4. Step 4: Simplify right side
    211,634.06x = 51,910,765,084.61
  5. Step 5: Solve for x
    x = 51,910,765,084.61/211,634.06
  6. Step 6: Final answer
    x = 245,285.49

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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.