Home / 369,333.86-509,917.92-231,701.48

Finding the Fourth Proportional to 369,333.86, 509,917.92 and 231,701.48

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Solution

The fourth proportional to 369,333.86, 509,917.92 and 231,701.48 is: 319,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,333.86 : 509,917.92 = 231,701.48 : x
  2. Step 2: Convert to fraction form
    369,333.86/509,917.92 = 231,701.48/x
  3. Step 3: Cross multiply
    369,333.86x = 509,917.92 × 231,701.48
  4. Step 4: Simplify right side
    369,333.86x = 118,148,736,742.52
  5. Step 5: Solve for x
    x = 118,148,736,742.52/369,333.86
  6. Step 6: Final answer
    x = 319,896.85

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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.