Home / 252,428.28-348,358.26-139,258.32

Finding the Fourth Proportional to 252,428.28, 348,358.26 and 139,258.32

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Solution

The fourth proportional to 252,428.28, 348,358.26 and 139,258.32 is: 192,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,428.28 : 348,358.26 = 139,258.32 : x
  2. Step 2: Convert to fraction form
    252,428.28/348,358.26 = 139,258.32/x
  3. Step 3: Cross multiply
    252,428.28x = 348,358.26 × 139,258.32
  4. Step 4: Simplify right side
    252,428.28x = 48,511,786,045.72
  5. Step 5: Solve for x
    x = 48,511,786,045.72/252,428.28
  6. Step 6: Final answer
    x = 192,180.47

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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.