Home / 289,027.20-433,540.80-102,057.60

Finding the Fourth Proportional to 289,027.20, 433,540.80 and 102,057.60

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Solution

The fourth proportional to 289,027.20, 433,540.80 and 102,057.60 is: 153,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,027.20 : 433,540.80 = 102,057.60 : x
  2. Step 2: Convert to fraction form
    289,027.20/433,540.80 = 102,057.60/x
  3. Step 3: Cross multiply
    289,027.20x = 433,540.80 × 102,057.60
  4. Step 4: Simplify right side
    289,027.20x = 44,246,133,550.08
  5. Step 5: Solve for x
    x = 44,246,133,550.08/289,027.20
  6. Step 6: Final answer
    x = 153,086.40

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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.