Home / 349,717.10-523,366.05-209,576.30

Finding the Fourth Proportional to 349,717.10, 523,366.05 and 209,576.30

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Solution

The fourth proportional to 349,717.10, 523,366.05 and 209,576.30 is: 313,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,717.10 : 523,366.05 = 209,576.30 : x
  2. Step 2: Convert to fraction form
    349,717.10/523,366.05 = 209,576.30/x
  3. Step 3: Cross multiply
    349,717.10x = 523,366.05 × 209,576.30
  4. Step 4: Simplify right side
    349,717.10x = 109,685,120,304.62
  5. Step 5: Solve for x
    x = 109,685,120,304.62/349,717.10
  6. Step 6: Final answer
    x = 313,639.57

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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.