Home / 301,243.86-451,153.35-261,585.45

Finding the Fourth Proportional to 301,243.86, 451,153.35 and 261,585.45

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Solution

The fourth proportional to 301,243.86, 451,153.35 and 261,585.45 is: 391,759.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,243.86 : 451,153.35 = 261,585.45 : x
  2. Step 2: Convert to fraction form
    301,243.86/451,153.35 = 261,585.45/x
  3. Step 3: Cross multiply
    301,243.86x = 451,153.35 × 261,585.45
  4. Step 4: Simplify right side
    301,243.86x = 118,015,152,078.76
  5. Step 5: Solve for x
    x = 118,015,152,078.76/301,243.86
  6. Step 6: Final answer
    x = 391,759.53

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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.