Home / 253,021.71-379,594.83-178,287.75

Finding the Fourth Proportional to 253,021.71, 379,594.83 and 178,287.75

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Solution

The fourth proportional to 253,021.71, 379,594.83 and 178,287.75 is: 267,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,021.71 : 379,594.83 = 178,287.75 : x
  2. Step 2: Convert to fraction form
    253,021.71/379,594.83 = 178,287.75/x
  3. Step 3: Cross multiply
    253,021.71x = 379,594.83 × 178,287.75
  4. Step 4: Simplify right side
    253,021.71x = 67,677,108,152.33
  5. Step 5: Solve for x
    x = 67,677,108,152.33/253,021.71
  6. Step 6: Final answer
    x = 267,475.50

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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.