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Finding the Fourth Proportional to 440,499.96, 660,798.36 and 140,910.12

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Solution

The fourth proportional to 440,499.96, 660,798.36 and 140,910.12 is: 211,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,499.96 : 660,798.36 = 140,910.12 : x
  2. Step 2: Convert to fraction form
    440,499.96/660,798.36 = 140,910.12/x
  3. Step 3: Cross multiply
    440,499.96x = 660,798.36 × 140,910.12
  4. Step 4: Simplify right side
    440,499.96x = 93,113,176,203.40
  5. Step 5: Solve for x
    x = 93,113,176,203.40/440,499.96
  6. Step 6: Final answer
    x = 211,380.67

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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.