Home / 294,780.74-442,264.55-105,236.96

Finding the Fourth Proportional to 294,780.74, 442,264.55 and 105,236.96

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Solution

The fourth proportional to 294,780.74, 442,264.55 and 105,236.96 is: 157,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,780.74 : 442,264.55 = 105,236.96 : x
  2. Step 2: Convert to fraction form
    294,780.74/442,264.55 = 105,236.96/x
  3. Step 3: Cross multiply
    294,780.74x = 442,264.55 × 105,236.96
  4. Step 4: Simplify right side
    294,780.74x = 46,542,574,020.26
  5. Step 5: Solve for x
    x = 46,542,574,020.26/294,780.74
  6. Step 6: Final answer
    x = 157,888.79

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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.