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Finding the Fourth Proportional to 179,356.40, 269,048.50 and 72,689.58

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Solution

The fourth proportional to 179,356.40, 269,048.50 and 72,689.58 is: 109,040.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,356.40 : 269,048.50 = 72,689.58 : x
  2. Step 2: Convert to fraction form
    179,356.40/269,048.50 = 72,689.58/x
  3. Step 3: Cross multiply
    179,356.40x = 269,048.50 × 72,689.58
  4. Step 4: Simplify right side
    179,356.40x = 19,557,021,628.43
  5. Step 5: Solve for x
    x = 19,557,021,628.43/179,356.40
  6. Step 6: Final answer
    x = 109,040.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.