Home / 294,880.22-442,320.80-126,387.36

Finding the Fourth Proportional to 294,880.22, 442,320.80 and 126,387.36

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Solution

The fourth proportional to 294,880.22, 442,320.80 and 126,387.36 is: 189,581.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,880.22 : 442,320.80 = 126,387.36 : x
  2. Step 2: Convert to fraction form
    294,880.22/442,320.80 = 126,387.36/x
  3. Step 3: Cross multiply
    294,880.22x = 442,320.80 × 126,387.36
  4. Step 4: Simplify right side
    294,880.22x = 55,903,758,185.09
  5. Step 5: Solve for x
    x = 55,903,758,185.09/294,880.22
  6. Step 6: Final answer
    x = 189,581.24

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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.