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Finding the Fourth Proportional to 270,598.96, 405,894.16 and 93,107.52

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Solution

The fourth proportional to 270,598.96, 405,894.16 and 93,107.52 is: 139,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,598.96 : 405,894.16 = 93,107.52 : x
  2. Step 2: Convert to fraction form
    270,598.96/405,894.16 = 93,107.52/x
  3. Step 3: Cross multiply
    270,598.96x = 405,894.16 × 93,107.52
  4. Step 4: Simplify right side
    270,598.96x = 37,791,798,620.08
  5. Step 5: Solve for x
    x = 37,791,798,620.08/270,598.96
  6. Step 6: Final answer
    x = 139,659.81

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Why These Related Problems?

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