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Finding the Fourth Proportional to 294,885.56, 442,328.65 and 73,269.56

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Solution

The fourth proportional to 294,885.56, 442,328.65 and 73,269.56 is: 109,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,885.56 : 442,328.65 = 73,269.56 : x
  2. Step 2: Convert to fraction form
    294,885.56/442,328.65 = 73,269.56/x
  3. Step 3: Cross multiply
    294,885.56x = 442,328.65 × 73,269.56
  4. Step 4: Simplify right side
    294,885.56x = 32,409,226,483.54
  5. Step 5: Solve for x
    x = 32,409,226,483.54/294,885.56
  6. Step 6: Final answer
    x = 109,904.42

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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.