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Finding the Fourth Proportional to 235,450.94, 353,398.35 and 85,835.84

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Solution

The fourth proportional to 235,450.94, 353,398.35 and 85,835.84 is: 128,834.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,450.94 : 353,398.35 = 85,835.84 : x
  2. Step 2: Convert to fraction form
    235,450.94/353,398.35 = 85,835.84/x
  3. Step 3: Cross multiply
    235,450.94x = 353,398.35 × 85,835.84
  4. Step 4: Simplify right side
    235,450.94x = 30,334,244,226.86
  5. Step 5: Solve for x
    x = 30,334,244,226.86/235,450.94
  6. Step 6: Final answer
    x = 128,834.67

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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.