Home / 374,436.20-561,654.30-108,205.40

Finding the Fourth Proportional to 374,436.20, 561,654.30 and 108,205.40

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Solution

The fourth proportional to 374,436.20, 561,654.30 and 108,205.40 is: 162,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,436.20 : 561,654.30 = 108,205.40 : x
  2. Step 2: Convert to fraction form
    374,436.20/561,654.30 = 108,205.40/x
  3. Step 3: Cross multiply
    374,436.20x = 561,654.30 × 108,205.40
  4. Step 4: Simplify right side
    374,436.20x = 60,774,028,193.22
  5. Step 5: Solve for x
    x = 60,774,028,193.22/374,436.20
  6. Step 6: Final answer
    x = 162,308.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.