Home / 319,828.93-479,582.96-106,521.85

Finding the Fourth Proportional to 319,828.93, 479,582.96 and 106,521.85

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Solution

The fourth proportional to 319,828.93, 479,582.96 and 106,521.85 is: 159,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,828.93 : 479,582.96 = 106,521.85 : x
  2. Step 2: Convert to fraction form
    319,828.93/479,582.96 = 106,521.85/x
  3. Step 3: Cross multiply
    319,828.93x = 479,582.96 × 106,521.85
  4. Step 4: Simplify right side
    319,828.93x = 51,086,065,917.70
  5. Step 5: Solve for x
    x = 51,086,065,917.70/319,828.93
  6. Step 6: Final answer
    x = 159,729.34

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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.