Home / 451,247.19-677,136.85-167,137.31

Finding the Fourth Proportional to 451,247.19, 677,136.85 and 167,137.31

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Solution

The fourth proportional to 451,247.19, 677,136.85 and 167,137.31 is: 250,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,247.19 : 677,136.85 = 167,137.31 : x
  2. Step 2: Convert to fraction form
    451,247.19/677,136.85 = 167,137.31/x
  3. Step 3: Cross multiply
    451,247.19x = 677,136.85 × 167,137.31
  4. Step 4: Simplify right side
    451,247.19x = 113,174,829,782.09
  5. Step 5: Solve for x
    x = 113,174,829,782.09/451,247.19
  6. Step 6: Final answer
    x = 250,804.51

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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.