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Finding the Fourth Proportional to 180,396.92, 270,688.77 and 130,885.67

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Solution

The fourth proportional to 180,396.92, 270,688.77 and 130,885.67 is: 196,396.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,396.92 : 270,688.77 = 130,885.67 : x
  2. Step 2: Convert to fraction form
    180,396.92/270,688.77 = 130,885.67/x
  3. Step 3: Cross multiply
    180,396.92x = 270,688.77 × 130,885.67
  4. Step 4: Simplify right side
    180,396.92x = 35,429,281,699.65
  5. Step 5: Solve for x
    x = 35,429,281,699.65/180,396.92
  6. Step 6: Final answer
    x = 196,396.26

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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.