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Finding the Fourth Proportional to 383,575.60, 575,622.60 and 215,095.60

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Solution

The fourth proportional to 383,575.60, 575,622.60 and 215,095.60 is: 322,788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,575.60 : 575,622.60 = 215,095.60 : x
  2. Step 2: Convert to fraction form
    383,575.60/575,622.60 = 215,095.60/x
  3. Step 3: Cross multiply
    383,575.60x = 575,622.60 × 215,095.60
  4. Step 4: Simplify right side
    383,575.60x = 123,813,888,520.56
  5. Step 5: Solve for x
    x = 123,813,888,520.56/383,575.60
  6. Step 6: Final answer
    x = 322,788.75

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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.