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Finding the Fourth Proportional to 227,075.64, 340,749.54 and 93,957.72

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Solution

The fourth proportional to 227,075.64, 340,749.54 and 93,957.72 is: 140,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,075.64 : 340,749.54 = 93,957.72 : x
  2. Step 2: Convert to fraction form
    227,075.64/340,749.54 = 93,957.72/x
  3. Step 3: Cross multiply
    227,075.64x = 340,749.54 × 93,957.72
  4. Step 4: Simplify right side
    227,075.64x = 32,016,049,869.45
  5. Step 5: Solve for x
    x = 32,016,049,869.45/227,075.64
  6. Step 6: Final answer
    x = 140,992.89

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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.