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Finding the Fourth Proportional to 445,706.72, 668,550.36 and 108,750.32

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Solution

The fourth proportional to 445,706.72, 668,550.36 and 108,750.32 is: 163,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,706.72 : 668,550.36 = 108,750.32 : x
  2. Step 2: Convert to fraction form
    445,706.72/668,550.36 = 108,750.32/x
  3. Step 3: Cross multiply
    445,706.72x = 668,550.36 × 108,750.32
  4. Step 4: Simplify right side
    445,706.72x = 72,705,065,586.12
  5. Step 5: Solve for x
    x = 72,705,065,586.12/445,706.72
  6. Step 6: Final answer
    x = 163,123.11

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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.