Home / 319,936.60-480,002.10-179,601.40

Finding the Fourth Proportional to 319,936.60, 480,002.10 and 179,601.40

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Solution

The fourth proportional to 319,936.60, 480,002.10 and 179,601.40 is: 269,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,936.60 : 480,002.10 = 179,601.40 : x
  2. Step 2: Convert to fraction form
    319,936.60/480,002.10 = 179,601.40/x
  3. Step 3: Cross multiply
    319,936.60x = 480,002.10 × 179,601.40
  4. Step 4: Simplify right side
    319,936.60x = 86,209,049,162.94
  5. Step 5: Solve for x
    x = 86,209,049,162.94/319,936.60
  6. Step 6: Final answer
    x = 269,456.66

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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.