Home / 379,337.52-523,496.40-209,582.64

Finding the Fourth Proportional to 379,337.52, 523,496.40 and 209,582.64

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Solution

The fourth proportional to 379,337.52, 523,496.40 and 209,582.64 is: 289,229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,337.52 : 523,496.40 = 209,582.64 : x
  2. Step 2: Convert to fraction form
    379,337.52/523,496.40 = 209,582.64/x
  3. Step 3: Cross multiply
    379,337.52x = 523,496.40 × 209,582.64
  4. Step 4: Simplify right side
    379,337.52x = 109,715,757,542.50
  5. Step 5: Solve for x
    x = 109,715,757,542.50/379,337.52
  6. Step 6: Final answer
    x = 289,229.91

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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.