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Finding the Fourth Proportional to 324,307.46, 486,039.25 and 131,957.73

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Solution

The fourth proportional to 324,307.46, 486,039.25 and 131,957.73 is: 197,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,307.46 : 486,039.25 = 131,957.73 : x
  2. Step 2: Convert to fraction form
    324,307.46/486,039.25 = 131,957.73/x
  3. Step 3: Cross multiply
    324,307.46x = 486,039.25 × 131,957.73
  4. Step 4: Simplify right side
    324,307.46x = 64,136,636,120.90
  5. Step 5: Solve for x
    x = 64,136,636,120.90/324,307.46
  6. Step 6: Final answer
    x = 197,764.91

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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.