Home / 294,899.33-442,276.10-126,400.55

Finding the Fourth Proportional to 294,899.33, 442,276.10 and 126,400.55

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Solution

The fourth proportional to 294,899.33, 442,276.10 and 126,400.55 is: 189,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,899.33 : 442,276.10 = 126,400.55 : x
  2. Step 2: Convert to fraction form
    294,899.33/442,276.10 = 126,400.55/x
  3. Step 3: Cross multiply
    294,899.33x = 442,276.10 × 126,400.55
  4. Step 4: Simplify right side
    294,899.33x = 55,903,941,659.85
  5. Step 5: Solve for x
    x = 55,903,941,659.85/294,899.33
  6. Step 6: Final answer
    x = 189,569.58

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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.