Home / 319,642.24-479,315.04-186,560.96

Finding the Fourth Proportional to 319,642.24, 479,315.04 and 186,560.96

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Solution

The fourth proportional to 319,642.24, 479,315.04 and 186,560.96 is: 279,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,642.24 : 479,315.04 = 186,560.96 : x
  2. Step 2: Convert to fraction form
    319,642.24/479,315.04 = 186,560.96/x
  3. Step 3: Cross multiply
    319,642.24x = 479,315.04 × 186,560.96
  4. Step 4: Simplify right side
    319,642.24x = 89,421,474,004.84
  5. Step 5: Solve for x
    x = 89,421,474,004.84/319,642.24
  6. Step 6: Final answer
    x = 279,754.87

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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.