Home / 319,380-479,057.04-94,731.36

Finding the Fourth Proportional to 319,380, 479,057.04 and 94,731.36

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Solution

The fourth proportional to 319,380, 479,057.04 and 94,731.36 is: 142,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,380 : 479,057.04 = 94,731.36 : x
  2. Step 2: Convert to fraction form
    319,380/479,057.04 = 94,731.36/x
  3. Step 3: Cross multiply
    319,380x = 479,057.04 × 94,731.36
  4. Step 4: Simplify right side
    319,380x = 45,381,724,916.77
  5. Step 5: Solve for x
    x = 45,381,724,916.77/319,380
  6. Step 6: Final answer
    x = 142,093.20

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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.