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Finding the Fourth Proportional to 216,053.73, 298,153.71 and 120,554.73

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Solution

The fourth proportional to 216,053.73, 298,153.71 and 120,554.73 is: 166,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,053.73 : 298,153.71 = 120,554.73 : x
  2. Step 2: Convert to fraction form
    216,053.73/298,153.71 = 120,554.73/x
  3. Step 3: Cross multiply
    216,053.73x = 298,153.71 × 120,554.73
  4. Step 4: Simplify right side
    216,053.73x = 35,943,840,007.55
  5. Step 5: Solve for x
    x = 35,943,840,007.55/216,053.73
  6. Step 6: Final answer
    x = 166,365.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.