Home / 411,944.70-617,139.45-211,583.10

Finding the Fourth Proportional to 411,944.70, 617,139.45 and 211,583.10

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Solution

The fourth proportional to 411,944.70, 617,139.45 and 211,583.10 is: 316,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,944.70 : 617,139.45 = 211,583.10 : x
  2. Step 2: Convert to fraction form
    411,944.70/617,139.45 = 211,583.10/x
  3. Step 3: Cross multiply
    411,944.70x = 617,139.45 × 211,583.10
  4. Step 4: Simplify right side
    411,944.70x = 130,576,277,963.30
  5. Step 5: Solve for x
    x = 130,576,277,963.30/411,944.70
  6. Step 6: Final answer
    x = 316,975.26

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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.