Home / 328,862.62-453,522.42-218,285.70

Finding the Fourth Proportional to 328,862.62, 453,522.42 and 218,285.70

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Solution

The fourth proportional to 328,862.62, 453,522.42 and 218,285.70 is: 301,029.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,862.62 : 453,522.42 = 218,285.70 : x
  2. Step 2: Convert to fraction form
    328,862.62/453,522.42 = 218,285.70/x
  3. Step 3: Cross multiply
    328,862.62x = 453,522.42 × 218,285.70
  4. Step 4: Simplify right side
    328,862.62x = 98,997,458,915.39
  5. Step 5: Solve for x
    x = 98,997,458,915.39/328,862.62
  6. Step 6: Final answer
    x = 301,029.83

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1.5x scale

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.