Home / 329,860.23-494,870.94-105,220.70

Finding the Fourth Proportional to 329,860.23, 494,870.94 and 105,220.70

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Solution

The fourth proportional to 329,860.23, 494,870.94 and 105,220.70 is: 157,856.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,860.23 : 494,870.94 = 105,220.70 : x
  2. Step 2: Convert to fraction form
    329,860.23/494,870.94 = 105,220.70/x
  3. Step 3: Cross multiply
    329,860.23x = 494,870.94 × 105,220.70
  4. Step 4: Simplify right side
    329,860.23x = 52,070,667,953.64
  5. Step 5: Solve for x
    x = 52,070,667,953.64/329,860.23
  6. Step 6: Final answer
    x = 157,856.76

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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.