Home / 318,085.88-438,949.64-174,826.32

Finding the Fourth Proportional to 318,085.88, 438,949.64 and 174,826.32

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Solution

The fourth proportional to 318,085.88, 438,949.64 and 174,826.32 is: 241,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,085.88 : 438,949.64 = 174,826.32 : x
  2. Step 2: Convert to fraction form
    318,085.88/438,949.64 = 174,826.32/x
  3. Step 3: Cross multiply
    318,085.88x = 438,949.64 × 174,826.32
  4. Step 4: Simplify right side
    318,085.88x = 76,739,950,226.52
  5. Step 5: Solve for x
    x = 76,739,950,226.52/318,085.88
  6. Step 6: Final answer
    x = 241,255.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.