Home / 278,260.47-417,308.63-118,336.10

Finding the Fourth Proportional to 278,260.47, 417,308.63 and 118,336.10

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Solution

The fourth proportional to 278,260.47, 417,308.63 and 118,336.10 is: 177,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,260.47 : 417,308.63 = 118,336.10 : x
  2. Step 2: Convert to fraction form
    278,260.47/417,308.63 = 118,336.10/x
  3. Step 3: Cross multiply
    278,260.47x = 417,308.63 × 118,336.10
  4. Step 4: Simplify right side
    278,260.47x = 49,382,673,092.32
  5. Step 5: Solve for x
    x = 49,382,673,092.32/278,260.47
  6. Step 6: Final answer
    x = 177,469.24

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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.