Home / 536,834.04-804,660.57-221,118.72

Finding the Fourth Proportional to 536,834.04, 804,660.57 and 221,118.72

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Solution

The fourth proportional to 536,834.04, 804,660.57 and 221,118.72 is: 331,434.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,834.04 : 804,660.57 = 221,118.72 : x
  2. Step 2: Convert to fraction form
    536,834.04/804,660.57 = 221,118.72/x
  3. Step 3: Cross multiply
    536,834.04x = 804,660.57 × 221,118.72
  4. Step 4: Simplify right side
    536,834.04x = 177,925,515,272.87
  5. Step 5: Solve for x
    x = 177,925,515,272.87/536,834.04
  6. Step 6: Final answer
    x = 331,434.86

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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.