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Finding the Fourth Proportional to 268,590.60, 402,885.90 and 163,614.60

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Solution

The fourth proportional to 268,590.60, 402,885.90 and 163,614.60 is: 245,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,590.60 : 402,885.90 = 163,614.60 : x
  2. Step 2: Convert to fraction form
    268,590.60/402,885.90 = 163,614.60/x
  3. Step 3: Cross multiply
    268,590.60x = 402,885.90 × 163,614.60
  4. Step 4: Simplify right side
    268,590.60x = 65,918,015,374.14
  5. Step 5: Solve for x
    x = 65,918,015,374.14/268,590.60
  6. Step 6: Final answer
    x = 245,421.90

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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.