Home / 319,890.80-479,551.02-162,038

Finding the Fourth Proportional to 319,890.80, 479,551.02 and 162,038

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Solution

The fourth proportional to 319,890.80, 479,551.02 and 162,038 is: 242,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,890.80 : 479,551.02 = 162,038 : x
  2. Step 2: Convert to fraction form
    319,890.80/479,551.02 = 162,038/x
  3. Step 3: Cross multiply
    319,890.80x = 479,551.02 × 162,038
  4. Step 4: Simplify right side
    319,890.80x = 77,705,488,178.76
  5. Step 5: Solve for x
    x = 77,705,488,178.76/319,890.80
  6. Step 6: Final answer
    x = 242,912.54

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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.