Home / 221,916.40-332,680.20-133,075.60

Finding the Fourth Proportional to 221,916.40, 332,680.20 and 133,075.60

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Solution

The fourth proportional to 221,916.40, 332,680.20 and 133,075.60 is: 199,496.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,916.40 : 332,680.20 = 133,075.60 : x
  2. Step 2: Convert to fraction form
    221,916.40/332,680.20 = 133,075.60/x
  3. Step 3: Cross multiply
    221,916.40x = 332,680.20 × 133,075.60
  4. Step 4: Simplify right side
    221,916.40x = 44,271,617,223.12
  5. Step 5: Solve for x
    x = 44,271,617,223.12/221,916.40
  6. Step 6: Final answer
    x = 199,496.83

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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.