Home / 294,348.10-442,040.55-285,016.90

Finding the Fourth Proportional to 294,348.10, 442,040.55 and 285,016.90

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Solution

The fourth proportional to 294,348.10, 442,040.55 and 285,016.90 is: 428,027.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,348.10 : 442,040.55 = 285,016.90 : x
  2. Step 2: Convert to fraction form
    294,348.10/442,040.55 = 285,016.90/x
  3. Step 3: Cross multiply
    294,348.10x = 442,040.55 × 285,016.90
  4. Step 4: Simplify right side
    294,348.10x = 125,989,027,235.30
  5. Step 5: Solve for x
    x = 125,989,027,235.30/294,348.10
  6. Step 6: Final answer
    x = 428,027.32

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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.