Home / 262,211.43-393,317.37-112,354.50

Finding the Fourth Proportional to 262,211.43, 393,317.37 and 112,354.50

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Solution

The fourth proportional to 262,211.43, 393,317.37 and 112,354.50 is: 168,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,211.43 : 393,317.37 = 112,354.50 : x
  2. Step 2: Convert to fraction form
    262,211.43/393,317.37 = 112,354.50/x
  3. Step 3: Cross multiply
    262,211.43x = 393,317.37 × 112,354.50
  4. Step 4: Simplify right side
    262,211.43x = 44,190,976,447.67
  5. Step 5: Solve for x
    x = 44,190,976,447.67/262,211.43
  6. Step 6: Final answer
    x = 168,531.85

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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.