Home / 240,529.70-361,572.15-221,867.30

Finding the Fourth Proportional to 240,529.70, 361,572.15 and 221,867.30

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Solution

The fourth proportional to 240,529.70, 361,572.15 and 221,867.30 is: 333,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,529.70 : 361,572.15 = 221,867.30 : x
  2. Step 2: Convert to fraction form
    240,529.70/361,572.15 = 221,867.30/x
  3. Step 3: Cross multiply
    240,529.70x = 361,572.15 × 221,867.30
  4. Step 4: Simplify right side
    240,529.70x = 80,221,036,675.70
  5. Step 5: Solve for x
    x = 80,221,036,675.70/240,529.70
  6. Step 6: Final answer
    x = 333,518.22

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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.