Home / 294,786.85-442,273.75-105,243.15

Finding the Fourth Proportional to 294,786.85, 442,273.75 and 105,243.15

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Solution

The fourth proportional to 294,786.85, 442,273.75 and 105,243.15 is: 157,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,786.85 : 442,273.75 = 105,243.15 : x
  2. Step 2: Convert to fraction form
    294,786.85/442,273.75 = 105,243.15/x
  3. Step 3: Cross multiply
    294,786.85x = 442,273.75 × 105,243.15
  4. Step 4: Simplify right side
    294,786.85x = 46,546,282,612.31
  5. Step 5: Solve for x
    x = 46,546,282,612.31/294,786.85
  6. Step 6: Final answer
    x = 157,898.10

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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.