Home / 319,435.98-479,050.24-106,146.60

Finding the Fourth Proportional to 319,435.98, 479,050.24 and 106,146.60

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Solution

The fourth proportional to 319,435.98, 479,050.24 and 106,146.60 is: 159,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,435.98 : 479,050.24 = 106,146.60 : x
  2. Step 2: Convert to fraction form
    319,435.98/479,050.24 = 106,146.60/x
  3. Step 3: Cross multiply
    319,435.98x = 479,050.24 × 106,146.60
  4. Step 4: Simplify right side
    319,435.98x = 50,849,554,205.18
  5. Step 5: Solve for x
    x = 50,849,554,205.18/319,435.98
  6. Step 6: Final answer
    x = 159,185.43

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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.