Home / 413,946.78-620,800.02-161,170.80

Finding the Fourth Proportional to 413,946.78, 620,800.02 and 161,170.80

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Solution

The fourth proportional to 413,946.78, 620,800.02 and 161,170.80 is: 241,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,946.78 : 620,800.02 = 161,170.80 : x
  2. Step 2: Convert to fraction form
    413,946.78/620,800.02 = 161,170.80/x
  3. Step 3: Cross multiply
    413,946.78x = 620,800.02 × 161,170.80
  4. Step 4: Simplify right side
    413,946.78x = 100,054,835,863.42
  5. Step 5: Solve for x
    x = 100,054,835,863.42/413,946.78
  6. Step 6: Final answer
    x = 241,709.42

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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.