Home / 221,867.40-332,801.10-133,075.20

Finding the Fourth Proportional to 221,867.40, 332,801.10 and 133,075.20

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Solution

The fourth proportional to 221,867.40, 332,801.10 and 133,075.20 is: 199,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,867.40 : 332,801.10 = 133,075.20 : x
  2. Step 2: Convert to fraction form
    221,867.40/332,801.10 = 133,075.20/x
  3. Step 3: Cross multiply
    221,867.40x = 332,801.10 × 133,075.20
  4. Step 4: Simplify right side
    221,867.40x = 44,287,572,942.72
  5. Step 5: Solve for x
    x = 44,287,572,942.72/221,867.40
  6. Step 6: Final answer
    x = 199,612.80

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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.