Home / 446,711.40-670,002.30-131,135.40

Finding the Fourth Proportional to 446,711.40, 670,002.30 and 131,135.40

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Solution

The fourth proportional to 446,711.40, 670,002.30 and 131,135.40 is: 196,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,711.40 : 670,002.30 = 131,135.40 : x
  2. Step 2: Convert to fraction form
    446,711.40/670,002.30 = 131,135.40/x
  3. Step 3: Cross multiply
    446,711.40x = 670,002.30 × 131,135.40
  4. Step 4: Simplify right side
    446,711.40x = 87,861,019,611.42
  5. Step 5: Solve for x
    x = 87,861,019,611.42/446,711.40
  6. Step 6: Final answer
    x = 196,684.08

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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.