Home / 255,731.81-383,462.24-113,515.25

Finding the Fourth Proportional to 255,731.81, 383,462.24 and 113,515.25

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Solution

The fourth proportional to 255,731.81, 383,462.24 and 113,515.25 is: 170,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,731.81 : 383,462.24 = 113,515.25 : x
  2. Step 2: Convert to fraction form
    255,731.81/383,462.24 = 113,515.25/x
  3. Step 3: Cross multiply
    255,731.81x = 383,462.24 × 113,515.25
  4. Step 4: Simplify right side
    255,731.81x = 43,528,809,554.27
  5. Step 5: Solve for x
    x = 43,528,809,554.27/255,731.81
  6. Step 6: Final answer
    x = 170,212.73

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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.