Home / 319,780.32-479,586.90-95,080.24

Finding the Fourth Proportional to 319,780.32, 479,586.90 and 95,080.24

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Solution

The fourth proportional to 319,780.32, 479,586.90 and 95,080.24 is: 142,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,780.32 : 479,586.90 = 95,080.24 : x
  2. Step 2: Convert to fraction form
    319,780.32/479,586.90 = 95,080.24/x
  3. Step 3: Cross multiply
    319,780.32x = 479,586.90 × 95,080.24
  4. Step 4: Simplify right side
    319,780.32x = 45,599,237,552.86
  5. Step 5: Solve for x
    x = 45,599,237,552.86/319,780.32
  6. Step 6: Final answer
    x = 142,595.51

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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.