Home / 319,729.62-479,490.58-106,440.24

Finding the Fourth Proportional to 319,729.62, 479,490.58 and 106,440.24

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Solution

The fourth proportional to 319,729.62, 479,490.58 and 106,440.24 is: 159,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,729.62 : 479,490.58 = 106,440.24 : x
  2. Step 2: Convert to fraction form
    319,729.62/479,490.58 = 106,440.24/x
  3. Step 3: Cross multiply
    319,729.62x = 479,490.58 × 106,440.24
  4. Step 4: Simplify right side
    319,729.62x = 51,037,092,412.94
  5. Step 5: Solve for x
    x = 51,037,092,412.94/319,729.62
  6. Step 6: Final answer
    x = 159,625.79

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1.5x scale

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.