Home / 395,552.04-545,834.61-221,110.98

Finding the Fourth Proportional to 395,552.04, 545,834.61 and 221,110.98

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Solution

The fourth proportional to 395,552.04, 545,834.61 and 221,110.98 is: 305,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,552.04 : 545,834.61 = 221,110.98 : x
  2. Step 2: Convert to fraction form
    395,552.04/545,834.61 = 221,110.98/x
  3. Step 3: Cross multiply
    395,552.04x = 545,834.61 × 221,110.98
  4. Step 4: Simplify right side
    395,552.04x = 120,690,025,535.02
  5. Step 5: Solve for x
    x = 120,690,025,535.02/395,552.04
  6. Step 6: Final answer
    x = 305,117.94

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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.