Home / 319,932.99-479,925-109,572.75

Finding the Fourth Proportional to 319,932.99, 479,925 and 109,572.75

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Solution

The fourth proportional to 319,932.99, 479,925 and 109,572.75 is: 164,367.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,932.99 : 479,925 = 109,572.75 : x
  2. Step 2: Convert to fraction form
    319,932.99/479,925 = 109,572.75/x
  3. Step 3: Cross multiply
    319,932.99x = 479,925 × 109,572.75
  4. Step 4: Simplify right side
    319,932.99x = 52,586,702,043.75
  5. Step 5: Solve for x
    x = 52,586,702,043.75/319,932.99
  6. Step 6: Final answer
    x = 164,367.86

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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.