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Finding the Fourth Proportional to 295,204.60, 442,806.90 and 84,830.20

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Solution

The fourth proportional to 295,204.60, 442,806.90 and 84,830.20 is: 127,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,204.60 : 442,806.90 = 84,830.20 : x
  2. Step 2: Convert to fraction form
    295,204.60/442,806.90 = 84,830.20/x
  3. Step 3: Cross multiply
    295,204.60x = 442,806.90 × 84,830.20
  4. Step 4: Simplify right side
    295,204.60x = 37,563,397,888.38
  5. Step 5: Solve for x
    x = 37,563,397,888.38/295,204.60
  6. Step 6: Final answer
    x = 127,245.30

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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.