Home / 260,837.26-390,991.20-148,284.94

Finding the Fourth Proportional to 260,837.26, 390,991.20 and 148,284.94

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Solution

The fourth proportional to 260,837.26, 390,991.20 and 148,284.94 is: 222,276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,837.26 : 390,991.20 = 148,284.94 : x
  2. Step 2: Convert to fraction form
    260,837.26/390,991.20 = 148,284.94/x
  3. Step 3: Cross multiply
    260,837.26x = 390,991.20 × 148,284.94
  4. Step 4: Simplify right side
    260,837.26x = 57,978,106,632.53
  5. Step 5: Solve for x
    x = 57,978,106,632.53/260,837.26
  6. Step 6: Final answer
    x = 222,276.93

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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.