Home / 217,454.64-326,275.82-117,685.23

Finding the Fourth Proportional to 217,454.64, 326,275.82 and 117,685.23

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Solution

The fourth proportional to 217,454.64, 326,275.82 and 117,685.23 is: 176,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,454.64 : 326,275.82 = 117,685.23 : x
  2. Step 2: Convert to fraction form
    217,454.64/326,275.82 = 117,685.23/x
  3. Step 3: Cross multiply
    217,454.64x = 326,275.82 × 117,685.23
  4. Step 4: Simplify right side
    217,454.64x = 38,397,844,920.14
  5. Step 5: Solve for x
    x = 38,397,844,920.14/217,454.64
  6. Step 6: Final answer
    x = 176,578.64

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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.