Home / 379,868.46-524,232.18-210,103.80

Finding the Fourth Proportional to 379,868.46, 524,232.18 and 210,103.80

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Solution

The fourth proportional to 379,868.46, 524,232.18 and 210,103.80 is: 289,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,868.46 : 524,232.18 = 210,103.80 : x
  2. Step 2: Convert to fraction form
    379,868.46/524,232.18 = 210,103.80/x
  3. Step 3: Cross multiply
    379,868.46x = 524,232.18 × 210,103.80
  4. Step 4: Simplify right side
    379,868.46x = 110,143,173,100.28
  5. Step 5: Solve for x
    x = 110,143,173,100.28/379,868.46
  6. Step 6: Final answer
    x = 289,950.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.