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Finding the Fourth Proportional to 462,217.32, 693,320.40 and 146,676.96

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Solution

The fourth proportional to 462,217.32, 693,320.40 and 146,676.96 is: 220,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,217.32 : 693,320.40 = 146,676.96 : x
  2. Step 2: Convert to fraction form
    462,217.32/693,320.40 = 146,676.96/x
  3. Step 3: Cross multiply
    462,217.32x = 693,320.40 × 146,676.96
  4. Step 4: Simplify right side
    462,217.32x = 101,694,128,577.98
  5. Step 5: Solve for x
    x = 101,694,128,577.98/462,217.32
  6. Step 6: Final answer
    x = 220,013.67

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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.