Home / 664,223.10-996,205.05-214,835.10

Finding the Fourth Proportional to 664,223.10, 996,205.05 and 214,835.10

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Solution

The fourth proportional to 664,223.10, 996,205.05 and 214,835.10 is: 322,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,223.10 : 996,205.05 = 214,835.10 : x
  2. Step 2: Convert to fraction form
    664,223.10/996,205.05 = 214,835.10/x
  3. Step 3: Cross multiply
    664,223.10x = 996,205.05 × 214,835.10
  4. Step 4: Simplify right side
    664,223.10x = 214,019,811,537.26
  5. Step 5: Solve for x
    x = 214,019,811,537.26/664,223.10
  6. Step 6: Final answer
    x = 322,210.73

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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.