Home / 294,920.70-442,381.05-126,412.35

Finding the Fourth Proportional to 294,920.70, 442,381.05 and 126,412.35

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Solution

The fourth proportional to 294,920.70, 442,381.05 and 126,412.35 is: 189,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,920.70 : 442,381.05 = 126,412.35 : x
  2. Step 2: Convert to fraction form
    294,920.70/442,381.05 = 126,412.35/x
  3. Step 3: Cross multiply
    294,920.70x = 442,381.05 × 126,412.35
  4. Step 4: Simplify right side
    294,920.70x = 55,922,428,125.97
  5. Step 5: Solve for x
    x = 55,922,428,125.97/294,920.70
  6. Step 6: Final answer
    x = 189,618.53

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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.