Home / 246,201.30-369,314.10-128,103.30

Finding the Fourth Proportional to 246,201.30, 369,314.10 and 128,103.30

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Solution

The fourth proportional to 246,201.30, 369,314.10 and 128,103.30 is: 192,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,201.30 : 369,314.10 = 128,103.30 : x
  2. Step 2: Convert to fraction form
    246,201.30/369,314.10 = 128,103.30/x
  3. Step 3: Cross multiply
    246,201.30x = 369,314.10 × 128,103.30
  4. Step 4: Simplify right side
    246,201.30x = 47,310,354,946.53
  5. Step 5: Solve for x
    x = 47,310,354,946.53/246,201.30
  6. Step 6: Final answer
    x = 192,161.27

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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.