Home / 348,679.49-481,088.97-212,704.58

Finding the Fourth Proportional to 348,679.49, 481,088.97 and 212,704.58

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Solution

The fourth proportional to 348,679.49, 481,088.97 and 212,704.58 is: 293,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,679.49 : 481,088.97 = 212,704.58 : x
  2. Step 2: Convert to fraction form
    348,679.49/481,088.97 = 212,704.58/x
  3. Step 3: Cross multiply
    348,679.49x = 481,088.97 × 212,704.58
  4. Step 4: Simplify right side
    348,679.49x = 102,329,828,509.21
  5. Step 5: Solve for x
    x = 102,329,828,509.21/348,679.49
  6. Step 6: Final answer
    x = 293,478.20

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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.