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Finding the Fourth Proportional to 239,813.44, 359,464.39 and 180,465.55

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Solution

The fourth proportional to 239,813.44, 359,464.39 and 180,465.55 is: 270,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,813.44 : 359,464.39 = 180,465.55 : x
  2. Step 2: Convert to fraction form
    239,813.44/359,464.39 = 180,465.55/x
  3. Step 3: Cross multiply
    239,813.44x = 359,464.39 × 180,465.55
  4. Step 4: Simplify right side
    239,813.44x = 64,870,938,846.76
  5. Step 5: Solve for x
    x = 64,870,938,846.76/239,813.44
  6. Step 6: Final answer
    x = 270,505.85

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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.