Home / 319,853.12-479,169.12-179,186.24

Finding the Fourth Proportional to 319,853.12, 479,169.12 and 179,186.24

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Solution

The fourth proportional to 319,853.12, 479,169.12 and 179,186.24 is: 268,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,853.12 : 479,169.12 = 179,186.24 : x
  2. Step 2: Convert to fraction form
    319,853.12/479,169.12 = 179,186.24/x
  3. Step 3: Cross multiply
    319,853.12x = 479,169.12 × 179,186.24
  4. Step 4: Simplify right side
    319,853.12x = 85,860,512,936.91
  5. Step 5: Solve for x
    x = 85,860,512,936.91/319,853.12
  6. Step 6: Final answer
    x = 268,437.32

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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.