Home / 294,785.85-442,272.25-105,242.15

Finding the Fourth Proportional to 294,785.85, 442,272.25 and 105,242.15

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Solution

The fourth proportional to 294,785.85, 442,272.25 and 105,242.15 is: 157,896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,785.85 : 442,272.25 = 105,242.15 : x
  2. Step 2: Convert to fraction form
    294,785.85/442,272.25 = 105,242.15/x
  3. Step 3: Cross multiply
    294,785.85x = 442,272.25 × 105,242.15
  4. Step 4: Simplify right side
    294,785.85x = 46,545,681,949.13
  5. Step 5: Solve for x
    x = 46,545,681,949.13/294,785.85
  6. Step 6: Final answer
    x = 157,896.59

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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.