Home / 348,811.28-481,230.41-219,715.10

Finding the Fourth Proportional to 348,811.28, 481,230.41 and 219,715.10

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Solution

The fourth proportional to 348,811.28, 481,230.41 and 219,715.10 is: 303,125.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,811.28 : 481,230.41 = 219,715.10 : x
  2. Step 2: Convert to fraction form
    348,811.28/481,230.41 = 219,715.10/x
  3. Step 3: Cross multiply
    348,811.28x = 481,230.41 × 219,715.10
  4. Step 4: Simplify right side
    348,811.28x = 105,733,584,151.46
  5. Step 5: Solve for x
    x = 105,733,584,151.46/348,811.28
  6. Step 6: Final answer
    x = 303,125.48

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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.