Home / 221,715.84-332,572.80-55,503.36

Finding the Fourth Proportional to 221,715.84, 332,572.80 and 55,503.36

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Solution

The fourth proportional to 221,715.84, 332,572.80 and 55,503.36 is: 83,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,715.84 : 332,572.80 = 55,503.36 : x
  2. Step 2: Convert to fraction form
    221,715.84/332,572.80 = 55,503.36/x
  3. Step 3: Cross multiply
    221,715.84x = 332,572.80 × 55,503.36
  4. Step 4: Simplify right side
    221,715.84x = 18,458,907,844.61
  5. Step 5: Solve for x
    x = 18,458,907,844.61/221,715.84
  6. Step 6: Final answer
    x = 83,254.80

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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.