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Finding the Fourth Proportional to 294,945, 442,419.12 and 73,329

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Solution

The fourth proportional to 294,945, 442,419.12 and 73,329 is: 109,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,945 : 442,419.12 = 73,329 : x
  2. Step 2: Convert to fraction form
    294,945/442,419.12 = 73,329/x
  3. Step 3: Cross multiply
    294,945x = 442,419.12 × 73,329
  4. Step 4: Simplify right side
    294,945x = 32,442,151,650.48
  5. Step 5: Solve for x
    x = 32,442,151,650.48/294,945
  6. Step 6: Final answer
    x = 109,993.90

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1.5x scale

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.