Home / 383,721.98-575,336.79-159,237.36

Finding the Fourth Proportional to 383,721.98, 575,336.79 and 159,237.36

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Solution

The fourth proportional to 383,721.98, 575,336.79 and 159,237.36 is: 238,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,721.98 : 575,336.79 = 159,237.36 : x
  2. Step 2: Convert to fraction form
    383,721.98/575,336.79 = 159,237.36/x
  3. Step 3: Cross multiply
    383,721.98x = 575,336.79 × 159,237.36
  4. Step 4: Simplify right side
    383,721.98x = 91,615,111,550.47
  5. Step 5: Solve for x
    x = 91,615,111,550.47/383,721.98
  6. Step 6: Final answer
    x = 238,753.88

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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.