Home / 294,868.64-442,318.08-84,508.40

Finding the Fourth Proportional to 294,868.64, 442,318.08 and 84,508.40

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Solution

The fourth proportional to 294,868.64, 442,318.08 and 84,508.40 is: 126,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,868.64 : 442,318.08 = 84,508.40 : x
  2. Step 2: Convert to fraction form
    294,868.64/442,318.08 = 84,508.40/x
  3. Step 3: Cross multiply
    294,868.64x = 442,318.08 × 84,508.40
  4. Step 4: Simplify right side
    294,868.64x = 37,379,593,231.87
  5. Step 5: Solve for x
    x = 37,379,593,231.87/294,868.64
  6. Step 6: Final answer
    x = 126,766.93

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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.