Home / 319,724.15-479,255.75-119,903.63

Finding the Fourth Proportional to 319,724.15, 479,255.75 and 119,903.63

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Solution

The fourth proportional to 319,724.15, 479,255.75 and 119,903.63 is: 179,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,724.15 : 479,255.75 = 119,903.63 : x
  2. Step 2: Convert to fraction form
    319,724.15/479,255.75 = 119,903.63/x
  3. Step 3: Cross multiply
    319,724.15x = 479,255.75 × 119,903.63
  4. Step 4: Simplify right side
    319,724.15x = 57,464,503,523.85
  5. Step 5: Solve for x
    x = 57,464,503,523.85/319,724.15
  6. Step 6: Final answer
    x = 179,731.51

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1.5x scale

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.