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Finding the Fourth Proportional to 294,886.56, 442,330.15 and 73,270.56

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Solution

The fourth proportional to 294,886.56, 442,330.15 and 73,270.56 is: 109,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,886.56 : 442,330.15 = 73,270.56 : x
  2. Step 2: Convert to fraction form
    294,886.56/442,330.15 = 73,270.56/x
  3. Step 3: Cross multiply
    294,886.56x = 442,330.15 × 73,270.56
  4. Step 4: Simplify right side
    294,886.56x = 32,409,777,795.38
  5. Step 5: Solve for x
    x = 32,409,777,795.38/294,886.56
  6. Step 6: Final answer
    x = 109,905.92

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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.