Home / 360,015.60-496,811.90-198,867.18

Finding the Fourth Proportional to 360,015.60, 496,811.90 and 198,867.18

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Solution

The fourth proportional to 360,015.60, 496,811.90 and 198,867.18 is: 274,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,015.60 : 496,811.90 = 198,867.18 : x
  2. Step 2: Convert to fraction form
    360,015.60/496,811.90 = 198,867.18/x
  3. Step 3: Cross multiply
    360,015.60x = 496,811.90 × 198,867.18
  4. Step 4: Simplify right side
    360,015.60x = 98,799,582,040.61
  5. Step 5: Solve for x
    x = 98,799,582,040.61/360,015.60
  6. Step 6: Final answer
    x = 274,431.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.