Home / 278,177.16-416,585.16-251,220.36

Finding the Fourth Proportional to 278,177.16, 416,585.16 and 251,220.36

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Solution

The fourth proportional to 278,177.16, 416,585.16 and 251,220.36 is: 376,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,177.16 : 416,585.16 = 251,220.36 : x
  2. Step 2: Convert to fraction form
    278,177.16/416,585.16 = 251,220.36/x
  3. Step 3: Cross multiply
    278,177.16x = 416,585.16 × 251,220.36
  4. Step 4: Simplify right side
    278,177.16x = 104,654,673,865.86
  5. Step 5: Solve for x
    x = 104,654,673,865.86/278,177.16
  6. Step 6: Final answer
    x = 376,215.91

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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.