Home / 217,754.52-326,678.40-75,604.23

Finding the Fourth Proportional to 217,754.52, 326,678.40 and 75,604.23

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Solution

The fourth proportional to 217,754.52, 326,678.40 and 75,604.23 is: 113,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,754.52 : 326,678.40 = 75,604.23 : x
  2. Step 2: Convert to fraction form
    217,754.52/326,678.40 = 75,604.23/x
  3. Step 3: Cross multiply
    217,754.52x = 326,678.40 × 75,604.23
  4. Step 4: Simplify right side
    217,754.52x = 24,698,268,889.63
  5. Step 5: Solve for x
    x = 24,698,268,889.63/217,754.52
  6. Step 6: Final answer
    x = 113,422.53

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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.