Home / 345,329.10-476,576.73-209,375.46

Finding the Fourth Proportional to 345,329.10, 476,576.73 and 209,375.46

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Solution

The fourth proportional to 345,329.10, 476,576.73 and 209,375.46 is: 288,951.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,329.10 : 476,576.73 = 209,375.46 : x
  2. Step 2: Convert to fraction form
    345,329.10/476,576.73 = 209,375.46/x
  3. Step 3: Cross multiply
    345,329.10x = 476,576.73 × 209,375.46
  4. Step 4: Simplify right side
    345,329.10x = 99,783,472,069.05
  5. Step 5: Solve for x
    x = 99,783,472,069.05/345,329.10
  6. Step 6: Final answer
    x = 288,951.82

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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.