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Finding the Fourth Proportional to 294,879.40, 441,006.90 and 247,640.20

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Solution

The fourth proportional to 294,879.40, 441,006.90 and 247,640.20 is: 370,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,879.40 : 441,006.90 = 247,640.20 : x
  2. Step 2: Convert to fraction form
    294,879.40/441,006.90 = 247,640.20/x
  3. Step 3: Cross multiply
    294,879.40x = 441,006.90 × 247,640.20
  4. Step 4: Simplify right side
    294,879.40x = 109,211,036,917.38
  5. Step 5: Solve for x
    x = 109,211,036,917.38/294,879.40
  6. Step 6: Final answer
    x = 370,358.31

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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.