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Finding the Fourth Proportional to 573,840.91, 860,866.44 and 236,697.64

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Solution

The fourth proportional to 573,840.91, 860,866.44 and 236,697.64 is: 355,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,840.91 : 860,866.44 = 236,697.64 : x
  2. Step 2: Convert to fraction form
    573,840.91/860,866.44 = 236,697.64/x
  3. Step 3: Cross multiply
    573,840.91x = 860,866.44 × 236,697.64
  4. Step 4: Simplify right side
    573,840.91x = 203,765,052,551.04
  5. Step 5: Solve for x
    x = 203,765,052,551.04/573,840.91
  6. Step 6: Final answer
    x = 355,089.80

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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.