Home / 319,790.31-479,986.86-235,292.84

Finding the Fourth Proportional to 319,790.31, 479,986.86 and 235,292.84

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Solution

The fourth proportional to 319,790.31, 479,986.86 and 235,292.84 is: 353,161.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,790.31 : 479,986.86 = 235,292.84 : x
  2. Step 2: Convert to fraction form
    319,790.31/479,986.86 = 235,292.84/x
  3. Step 3: Cross multiply
    319,790.31x = 479,986.86 × 235,292.84
  4. Step 4: Simplify right side
    319,790.31x = 112,937,469,052.15
  5. Step 5: Solve for x
    x = 112,937,469,052.15/319,790.31
  6. Step 6: Final answer
    x = 353,161.01

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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.