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Finding the Fourth Proportional to 377,607.90, 521,101.08 and 205,525.46

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Solution

The fourth proportional to 377,607.90, 521,101.08 and 205,525.46 is: 283,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,607.90 : 521,101.08 = 205,525.46 : x
  2. Step 2: Convert to fraction form
    377,607.90/521,101.08 = 205,525.46/x
  3. Step 3: Cross multiply
    377,607.90x = 521,101.08 × 205,525.46
  4. Step 4: Simplify right side
    377,607.90x = 107,099,539,173.50
  5. Step 5: Solve for x
    x = 107,099,539,173.50/377,607.90
  6. Step 6: Final answer
    x = 283,626.32

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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.