Home / 386,122.32-532,258.12-271,078.23

Finding the Fourth Proportional to 386,122.32, 532,258.12 and 271,078.23

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Solution

The fourth proportional to 386,122.32, 532,258.12 and 271,078.23 is: 373,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,122.32 : 532,258.12 = 271,078.23 : x
  2. Step 2: Convert to fraction form
    386,122.32/532,258.12 = 271,078.23/x
  3. Step 3: Cross multiply
    386,122.32x = 532,258.12 × 271,078.23
  4. Step 4: Simplify right side
    386,122.32x = 144,283,585,733.74
  5. Step 5: Solve for x
    x = 144,283,585,733.74/386,122.32
  6. Step 6: Final answer
    x = 373,673.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.