Home / 484,428.15-726,558.39-147,387.15

Finding the Fourth Proportional to 484,428.15, 726,558.39 and 147,387.15

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Solution

The fourth proportional to 484,428.15, 726,558.39 and 147,387.15 is: 221,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,428.15 : 726,558.39 = 147,387.15 : x
  2. Step 2: Convert to fraction form
    484,428.15/726,558.39 = 147,387.15/x
  3. Step 3: Cross multiply
    484,428.15x = 726,558.39 × 147,387.15
  4. Step 4: Simplify right side
    484,428.15x = 107,085,370,410.69
  5. Step 5: Solve for x
    x = 107,085,370,410.69/484,428.15
  6. Step 6: Final answer
    x = 221,055.22

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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.