Home / 221,469.29-331,705.37-155,205.24

Finding the Fourth Proportional to 221,469.29, 331,705.37 and 155,205.24

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Solution

The fourth proportional to 221,469.29, 331,705.37 and 155,205.24 is: 232,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,469.29 : 331,705.37 = 155,205.24 : x
  2. Step 2: Convert to fraction form
    221,469.29/331,705.37 = 155,205.24/x
  3. Step 3: Cross multiply
    221,469.29x = 331,705.37 × 155,205.24
  4. Step 4: Simplify right side
    221,469.29x = 51,482,410,545.89
  5. Step 5: Solve for x
    x = 51,482,410,545.89/221,469.29
  6. Step 6: Final answer
    x = 232,458.46

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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.