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Finding the Fourth Proportional to 432,945.66, 649,590.83 and 166,634.67

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Solution

The fourth proportional to 432,945.66, 649,590.83 and 166,634.67 is: 250,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,945.66 : 649,590.83 = 166,634.67 : x
  2. Step 2: Convert to fraction form
    432,945.66/649,590.83 = 166,634.67/x
  3. Step 3: Cross multiply
    432,945.66x = 649,590.83 × 166,634.67
  4. Step 4: Simplify right side
    432,945.66x = 108,244,353,592.08
  5. Step 5: Solve for x
    x = 108,244,353,592.08/432,945.66
  6. Step 6: Final answer
    x = 250,018.34

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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.