Home / 296,718.18-442,918.88-274,789.86

Finding the Fourth Proportional to 296,718.18, 442,918.88 and 274,789.86

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Solution

The fourth proportional to 296,718.18, 442,918.88 and 274,789.86 is: 410,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,718.18 : 442,918.88 = 274,789.86 : x
  2. Step 2: Convert to fraction form
    296,718.18/442,918.88 = 274,789.86/x
  3. Step 3: Cross multiply
    296,718.18x = 442,918.88 × 274,789.86
  4. Step 4: Simplify right side
    296,718.18x = 121,709,615,652.61
  5. Step 5: Solve for x
    x = 121,709,615,652.61/296,718.18
  6. Step 6: Final answer
    x = 410,185.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.