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Finding the Fourth Proportional to 365,532.19, 548,305.80 and 112,812.83

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Solution

The fourth proportional to 365,532.19, 548,305.80 and 112,812.83 is: 169,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,532.19 : 548,305.80 = 112,812.83 : x
  2. Step 2: Convert to fraction form
    365,532.19/548,305.80 = 112,812.83/x
  3. Step 3: Cross multiply
    365,532.19x = 548,305.80 × 112,812.83
  4. Step 4: Simplify right side
    365,532.19x = 61,855,929,003.41
  5. Step 5: Solve for x
    x = 61,855,929,003.41/365,532.19
  6. Step 6: Final answer
    x = 169,221.56

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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.