Home / 304,539.07-419,984.64-261,503.90

Finding the Fourth Proportional to 304,539.07, 419,984.64 and 261,503.90

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Solution

The fourth proportional to 304,539.07, 419,984.64 and 261,503.90 is: 360,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,539.07 : 419,984.64 = 261,503.90 : x
  2. Step 2: Convert to fraction form
    304,539.07/419,984.64 = 261,503.90/x
  3. Step 3: Cross multiply
    304,539.07x = 419,984.64 × 261,503.90
  4. Step 4: Simplify right side
    304,539.07x = 109,827,622,350.06
  5. Step 5: Solve for x
    x = 109,827,622,350.06/304,539.07
  6. Step 6: Final answer
    x = 360,635.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.