Home / 382,899.60-574,349.40-133,581.60

Finding the Fourth Proportional to 382,899.60, 574,349.40 and 133,581.60

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Solution

The fourth proportional to 382,899.60, 574,349.40 and 133,581.60 is: 200,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,899.60 : 574,349.40 = 133,581.60 : x
  2. Step 2: Convert to fraction form
    382,899.60/574,349.40 = 133,581.60/x
  3. Step 3: Cross multiply
    382,899.60x = 574,349.40 × 133,581.60
  4. Step 4: Simplify right side
    382,899.60x = 76,722,511,811.04
  5. Step 5: Solve for x
    x = 76,722,511,811.04/382,899.60
  6. Step 6: Final answer
    x = 200,372.40

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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.