Home / 330,942.60-496,413.90-197,754.30

Finding the Fourth Proportional to 330,942.60, 496,413.90 and 197,754.30

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Solution

The fourth proportional to 330,942.60, 496,413.90 and 197,754.30 is: 296,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,942.60 : 496,413.90 = 197,754.30 : x
  2. Step 2: Convert to fraction form
    330,942.60/496,413.90 = 197,754.30/x
  3. Step 3: Cross multiply
    330,942.60x = 496,413.90 × 197,754.30
  4. Step 4: Simplify right side
    330,942.60x = 98,167,983,304.77
  5. Step 5: Solve for x
    x = 98,167,983,304.77/330,942.60
  6. Step 6: Final answer
    x = 296,631.45

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Similar ratio
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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.