Home / 319,829.76-479,341.44-162,097.92

Finding the Fourth Proportional to 319,829.76, 479,341.44 and 162,097.92

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Solution

The fourth proportional to 319,829.76, 479,341.44 and 162,097.92 is: 242,942.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,829.76 : 479,341.44 = 162,097.92 : x
  2. Step 2: Convert to fraction form
    319,829.76/479,341.44 = 162,097.92/x
  3. Step 3: Cross multiply
    319,829.76x = 479,341.44 × 162,097.92
  4. Step 4: Simplify right side
    319,829.76x = 77,700,250,393.80
  5. Step 5: Solve for x
    x = 77,700,250,393.80/319,829.76
  6. Step 6: Final answer
    x = 242,942.53

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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.