Home / 238,912.20-358,116.66-120,334.32

Finding the Fourth Proportional to 238,912.20, 358,116.66 and 120,334.32

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Solution

The fourth proportional to 238,912.20, 358,116.66 and 120,334.32 is: 180,374.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,912.20 : 358,116.66 = 120,334.32 : x
  2. Step 2: Convert to fraction form
    238,912.20/358,116.66 = 120,334.32/x
  3. Step 3: Cross multiply
    238,912.20x = 358,116.66 × 120,334.32
  4. Step 4: Simplify right side
    238,912.20x = 43,093,724,761.77
  5. Step 5: Solve for x
    x = 43,093,724,761.77/238,912.20
  6. Step 6: Final answer
    x = 180,374.73

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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.