Home / 297,349.08-445,923.63-107,769.76

Finding the Fourth Proportional to 297,349.08, 445,923.63 and 107,769.76

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Solution

The fourth proportional to 297,349.08, 445,923.63 and 107,769.76 is: 161,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,349.08 : 445,923.63 = 107,769.76 : x
  2. Step 2: Convert to fraction form
    297,349.08/445,923.63 = 107,769.76/x
  3. Step 3: Cross multiply
    297,349.08x = 445,923.63 × 107,769.76
  4. Step 4: Simplify right side
    297,349.08x = 48,057,081,468.62
  5. Step 5: Solve for x
    x = 48,057,081,468.62/297,349.08
  6. Step 6: Final answer
    x = 161,618.40

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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.