Home / 217,724.55-326,586.48-142,826.85

Finding the Fourth Proportional to 217,724.55, 326,586.48 and 142,826.85

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Solution

The fourth proportional to 217,724.55, 326,586.48 and 142,826.85 is: 214,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,724.55 : 326,586.48 = 142,826.85 : x
  2. Step 2: Convert to fraction form
    217,724.55/326,586.48 = 142,826.85/x
  3. Step 3: Cross multiply
    217,724.55x = 326,586.48 × 142,826.85
  4. Step 4: Simplify right side
    217,724.55x = 46,645,318,190.99
  5. Step 5: Solve for x
    x = 46,645,318,190.99/217,724.55
  6. Step 6: Final answer
    x = 214,240.05

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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.