Home / 246,205.30-369,320.10-128,107.30

Finding the Fourth Proportional to 246,205.30, 369,320.10 and 128,107.30

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Solution

The fourth proportional to 246,205.30, 369,320.10 and 128,107.30 is: 192,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,205.30 : 369,320.10 = 128,107.30 : x
  2. Step 2: Convert to fraction form
    246,205.30/369,320.10 = 128,107.30/x
  3. Step 3: Cross multiply
    246,205.30x = 369,320.10 × 128,107.30
  4. Step 4: Simplify right side
    246,205.30x = 47,312,600,846.73
  5. Step 5: Solve for x
    x = 47,312,600,846.73/246,205.30
  6. Step 6: Final answer
    x = 192,167.27

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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.