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Finding the Fourth Proportional to 536,545.80, 804,527.10 and 221,034.60

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Solution

The fourth proportional to 536,545.80, 804,527.10 and 221,034.60 is: 331,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,545.80 : 804,527.10 = 221,034.60 : x
  2. Step 2: Convert to fraction form
    536,545.80/804,527.10 = 221,034.60/x
  3. Step 3: Cross multiply
    536,545.80x = 804,527.10 × 221,034.60
  4. Step 4: Simplify right side
    536,545.80x = 177,828,325,737.66
  5. Step 5: Solve for x
    x = 177,828,325,737.66/536,545.80
  6. Step 6: Final answer
    x = 331,431.77

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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.