Home / 319,623.86-479,098.71-106,334.64

Finding the Fourth Proportional to 319,623.86, 479,098.71 and 106,334.64

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Solution

The fourth proportional to 319,623.86, 479,098.71 and 106,334.64 is: 159,389.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,623.86 : 479,098.71 = 106,334.64 : x
  2. Step 2: Convert to fraction form
    319,623.86/479,098.71 = 106,334.64/x
  3. Step 3: Cross multiply
    319,623.86x = 479,098.71 × 106,334.64
  4. Step 4: Simplify right side
    319,623.86x = 50,944,788,852.31
  5. Step 5: Solve for x
    x = 50,944,788,852.31/319,623.86
  6. Step 6: Final answer
    x = 159,389.82

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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.