Home / 294,020.06-405,890.26-197,188.50

Finding the Fourth Proportional to 294,020.06, 405,890.26 and 197,188.50

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Solution

The fourth proportional to 294,020.06, 405,890.26 and 197,188.50 is: 272,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,020.06 : 405,890.26 = 197,188.50 : x
  2. Step 2: Convert to fraction form
    294,020.06/405,890.26 = 197,188.50/x
  3. Step 3: Cross multiply
    294,020.06x = 405,890.26 × 197,188.50
  4. Step 4: Simplify right side
    294,020.06x = 80,036,891,837.50
  5. Step 5: Solve for x
    x = 80,036,891,837.50/294,020.06
  6. Step 6: Final answer
    x = 272,215.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.