Home / 221,625.40-332,546.10-103,235.80

Finding the Fourth Proportional to 221,625.40, 332,546.10 and 103,235.80

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Solution

The fourth proportional to 221,625.40, 332,546.10 and 103,235.80 is: 154,904.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,625.40 : 332,546.10 = 103,235.80 : x
  2. Step 2: Convert to fraction form
    221,625.40/332,546.10 = 103,235.80/x
  3. Step 3: Cross multiply
    221,625.40x = 332,546.10 × 103,235.80
  4. Step 4: Simplify right side
    221,625.40x = 34,330,662,670.38
  5. Step 5: Solve for x
    x = 34,330,662,670.38/221,625.40
  6. Step 6: Final answer
    x = 154,904.01

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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.