Home / 297,815.60-446,723.40-129,416.60

Finding the Fourth Proportional to 297,815.60, 446,723.40 and 129,416.60

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Solution

The fourth proportional to 297,815.60, 446,723.40 and 129,416.60 is: 194,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,815.60 : 446,723.40 = 129,416.60 : x
  2. Step 2: Convert to fraction form
    297,815.60/446,723.40 = 129,416.60/x
  3. Step 3: Cross multiply
    297,815.60x = 446,723.40 × 129,416.60
  4. Step 4: Simplify right side
    297,815.60x = 57,813,423,568.44
  5. Step 5: Solve for x
    x = 57,813,423,568.44/297,815.60
  6. Step 6: Final answer
    x = 194,124.90

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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.