Home / 260,440.92-390,257.37-180,634.59

Finding the Fourth Proportional to 260,440.92, 390,257.37 and 180,634.59

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Solution

The fourth proportional to 260,440.92, 390,257.37 and 180,634.59 is: 270,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,440.92 : 390,257.37 = 180,634.59 : x
  2. Step 2: Convert to fraction form
    260,440.92/390,257.37 = 180,634.59/x
  3. Step 3: Cross multiply
    260,440.92x = 390,257.37 × 180,634.59
  4. Step 4: Simplify right side
    260,440.92x = 70,493,980,024.43
  5. Step 5: Solve for x
    x = 70,493,980,024.43/260,440.92
  6. Step 6: Final answer
    x = 270,671.67

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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.