Home / 348,409.20-521,836.20-269,266.80

Finding the Fourth Proportional to 348,409.20, 521,836.20 and 269,266.80

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Solution

The fourth proportional to 348,409.20, 521,836.20 and 269,266.80 is: 403,299.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,409.20 : 521,836.20 = 269,266.80 : x
  2. Step 2: Convert to fraction form
    348,409.20/521,836.20 = 269,266.80/x
  3. Step 3: Cross multiply
    348,409.20x = 521,836.20 × 269,266.80
  4. Step 4: Simplify right side
    348,409.20x = 140,513,163,698.16
  5. Step 5: Solve for x
    x = 140,513,163,698.16/348,409.20
  6. Step 6: Final answer
    x = 403,299.23

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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.