Home / 216,856.40-324,847.20-123,252.80

Finding the Fourth Proportional to 216,856.40, 324,847.20 and 123,252.80

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Solution

The fourth proportional to 216,856.40, 324,847.20 and 123,252.80 is: 184,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,856.40 : 324,847.20 = 123,252.80 : x
  2. Step 2: Convert to fraction form
    216,856.40/324,847.20 = 123,252.80/x
  3. Step 3: Cross multiply
    216,856.40x = 324,847.20 × 123,252.80
  4. Step 4: Simplify right side
    216,856.40x = 40,038,326,972.16
  5. Step 5: Solve for x
    x = 40,038,326,972.16/216,856.40
  6. Step 6: Final answer
    x = 184,630.60

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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.