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Finding the Fourth Proportional to 317,164.98, 437,687.22 and 173,925

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Solution

The fourth proportional to 317,164.98, 437,687.22 and 173,925 is: 240,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,164.98 : 437,687.22 = 173,925 : x
  2. Step 2: Convert to fraction form
    317,164.98/437,687.22 = 173,925/x
  3. Step 3: Cross multiply
    317,164.98x = 437,687.22 × 173,925
  4. Step 4: Simplify right side
    317,164.98x = 76,124,749,738.50
  5. Step 5: Solve for x
    x = 76,124,749,738.50/317,164.98
  6. Step 6: Final answer
    x = 240,016.25

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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.