Home / 605,122.55-907,782.33-178,701.50

Finding the Fourth Proportional to 605,122.55, 907,782.33 and 178,701.50

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Solution

The fourth proportional to 605,122.55, 907,782.33 and 178,701.50 is: 268,081.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,122.55 : 907,782.33 = 178,701.50 : x
  2. Step 2: Convert to fraction form
    605,122.55/907,782.33 = 178,701.50/x
  3. Step 3: Cross multiply
    605,122.55x = 907,782.33 × 178,701.50
  4. Step 4: Simplify right side
    605,122.55x = 162,222,059,505.58
  5. Step 5: Solve for x
    x = 162,222,059,505.58/605,122.55
  6. Step 6: Final answer
    x = 268,081.33

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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.