Home / 296,861.80-445,292.70-109,946.20

Finding the Fourth Proportional to 296,861.80, 445,292.70 and 109,946.20

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Solution

The fourth proportional to 296,861.80, 445,292.70 and 109,946.20 is: 164,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,861.80 : 445,292.70 = 109,946.20 : x
  2. Step 2: Convert to fraction form
    296,861.80/445,292.70 = 109,946.20/x
  3. Step 3: Cross multiply
    296,861.80x = 445,292.70 × 109,946.20
  4. Step 4: Simplify right side
    296,861.80x = 48,958,240,252.74
  5. Step 5: Solve for x
    x = 48,958,240,252.74/296,861.80
  6. Step 6: Final answer
    x = 164,919.30

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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.