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Finding the Fourth Proportional to 295,258.60, 442,952.70 and 145,570.60

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Solution

The fourth proportional to 295,258.60, 442,952.70 and 145,570.60 is: 218,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,258.60 : 442,952.70 = 145,570.60 : x
  2. Step 2: Convert to fraction form
    295,258.60/442,952.70 = 145,570.60/x
  3. Step 3: Cross multiply
    295,258.60x = 442,952.70 × 145,570.60
  4. Step 4: Simplify right side
    295,258.60x = 64,480,890,310.62
  5. Step 5: Solve for x
    x = 64,480,890,310.62/295,258.60
  6. Step 6: Final answer
    x = 218,387.85

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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.