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Finding the Fourth Proportional to 220,017.77, 303,639.63 and 123,223.58

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Solution

The fourth proportional to 220,017.77, 303,639.63 and 123,223.58 is: 170,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,017.77 : 303,639.63 = 123,223.58 : x
  2. Step 2: Convert to fraction form
    220,017.77/303,639.63 = 123,223.58/x
  3. Step 3: Cross multiply
    220,017.77x = 303,639.63 × 123,223.58
  4. Step 4: Simplify right side
    220,017.77x = 37,415,562,238.48
  5. Step 5: Solve for x
    x = 37,415,562,238.48/220,017.77
  6. Step 6: Final answer
    x = 170,057.00

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