Home / 383,360.55-574,841.03-143,277.09

Finding the Fourth Proportional to 383,360.55, 574,841.03 and 143,277.09

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Solution

The fourth proportional to 383,360.55, 574,841.03 and 143,277.09 is: 214,840.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,360.55 : 574,841.03 = 143,277.09 : x
  2. Step 2: Convert to fraction form
    383,360.55/574,841.03 = 143,277.09/x
  3. Step 3: Cross multiply
    383,360.55x = 574,841.03 × 143,277.09
  4. Step 4: Simplify right side
    383,360.55x = 82,361,549,274.62
  5. Step 5: Solve for x
    x = 82,361,549,274.62/383,360.55
  6. Step 6: Final answer
    x = 214,840.96

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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.