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Finding the Fourth Proportional to 465,450.72, 698,162.12 and 128,511.94

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Solution

The fourth proportional to 465,450.72, 698,162.12 and 128,511.94 is: 192,764.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,450.72 : 698,162.12 = 128,511.94 : x
  2. Step 2: Convert to fraction form
    465,450.72/698,162.12 = 128,511.94/x
  3. Step 3: Cross multiply
    465,450.72x = 698,162.12 × 128,511.94
  4. Step 4: Simplify right side
    465,450.72x = 89,722,168,475.71
  5. Step 5: Solve for x
    x = 89,722,168,475.71/465,450.72
  6. Step 6: Final answer
    x = 192,764.06

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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.