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Finding the Fourth Proportional to 270,058.60, 405,087.90 and 112,270.60

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Solution

The fourth proportional to 270,058.60, 405,087.90 and 112,270.60 is: 168,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,058.60 : 405,087.90 = 112,270.60 : x
  2. Step 2: Convert to fraction form
    270,058.60/405,087.90 = 112,270.60/x
  3. Step 3: Cross multiply
    270,058.60x = 405,087.90 × 112,270.60
  4. Step 4: Simplify right side
    270,058.60x = 45,479,461,585.74
  5. Step 5: Solve for x
    x = 45,479,461,585.74/270,058.60
  6. Step 6: Final answer
    x = 168,405.90

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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.