Home / 382,018.08-572,239.62-223,766.76

Finding the Fourth Proportional to 382,018.08, 572,239.62 and 223,766.76

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Solution

The fourth proportional to 382,018.08, 572,239.62 and 223,766.76 is: 335,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,018.08 : 572,239.62 = 223,766.76 : x
  2. Step 2: Convert to fraction form
    382,018.08/572,239.62 = 223,766.76/x
  3. Step 3: Cross multiply
    382,018.08x = 572,239.62 × 223,766.76
  4. Step 4: Simplify right side
    382,018.08x = 128,048,205,711.03
  5. Step 5: Solve for x
    x = 128,048,205,711.03/382,018.08
  6. Step 6: Final answer
    x = 335,188.86

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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.