Home / 319,513.36-479,367.24-151,162.96

Finding the Fourth Proportional to 319,513.36, 479,367.24 and 151,162.96

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Solution

The fourth proportional to 319,513.36, 479,367.24 and 151,162.96 is: 226,790.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,513.36 : 479,367.24 = 151,162.96 : x
  2. Step 2: Convert to fraction form
    319,513.36/479,367.24 = 151,162.96/x
  3. Step 3: Cross multiply
    319,513.36x = 479,367.24 × 151,162.96
  4. Step 4: Simplify right side
    319,513.36x = 72,462,570,925.43
  5. Step 5: Solve for x
    x = 72,462,570,925.43/319,513.36
  6. Step 6: Final answer
    x = 226,790.43

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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.