Home / 319,899.27-479,847.53-130,317.36

Finding the Fourth Proportional to 319,899.27, 479,847.53 and 130,317.36

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Solution

The fourth proportional to 319,899.27, 479,847.53 and 130,317.36 is: 195,475.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,899.27 : 479,847.53 = 130,317.36 : x
  2. Step 2: Convert to fraction form
    319,899.27/479,847.53 = 130,317.36/x
  3. Step 3: Cross multiply
    319,899.27x = 479,847.53 × 130,317.36
  4. Step 4: Simplify right side
    319,899.27x = 62,532,462,660.53
  5. Step 5: Solve for x
    x = 62,532,462,660.53/319,899.27
  6. Step 6: Final answer
    x = 195,475.48

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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.