Home / 325,623.60-488,435.40-192,435.30

Finding the Fourth Proportional to 325,623.60, 488,435.40 and 192,435.30

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Solution

The fourth proportional to 325,623.60, 488,435.40 and 192,435.30 is: 288,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,623.60 : 488,435.40 = 192,435.30 : x
  2. Step 2: Convert to fraction form
    325,623.60/488,435.40 = 192,435.30/x
  3. Step 3: Cross multiply
    325,623.60x = 488,435.40 × 192,435.30
  4. Step 4: Simplify right side
    325,623.60x = 93,992,212,729.62
  5. Step 5: Solve for x
    x = 93,992,212,729.62/325,623.60
  6. Step 6: Final answer
    x = 288,652.95

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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.