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Finding the Fourth Proportional to 294,378.96, 441,572.64 and 84,016.92

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Solution

The fourth proportional to 294,378.96, 441,572.64 and 84,016.92 is: 126,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,378.96 : 441,572.64 = 84,016.92 : x
  2. Step 2: Convert to fraction form
    294,378.96/441,572.64 = 84,016.92/x
  3. Step 3: Cross multiply
    294,378.96x = 441,572.64 × 84,016.92
  4. Step 4: Simplify right side
    294,378.96x = 37,099,573,169.07
  5. Step 5: Solve for x
    x = 37,099,573,169.07/294,378.96
  6. Step 6: Final answer
    x = 126,026.58

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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.