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Finding the Fourth Proportional to 573,993.80, 860,955.84 and 214,095.27

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Solution

The fourth proportional to 573,993.80, 860,955.84 and 214,095.27 is: 321,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,993.80 : 860,955.84 = 214,095.27 : x
  2. Step 2: Convert to fraction form
    573,993.80/860,955.84 = 214,095.27/x
  3. Step 3: Cross multiply
    573,993.80x = 860,955.84 × 214,095.27
  4. Step 4: Simplify right side
    573,993.80x = 184,326,576,251.46
  5. Step 5: Solve for x
    x = 184,326,576,251.46/573,993.80
  6. Step 6: Final answer
    x = 321,129.91

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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.