Home / 212,926.50-318,725.41-156,829.94

Finding the Fourth Proportional to 212,926.50, 318,725.41 and 156,829.94

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Solution

The fourth proportional to 212,926.50, 318,725.41 and 156,829.94 is: 234,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,926.50 : 318,725.41 = 156,829.94 : x
  2. Step 2: Convert to fraction form
    212,926.50/318,725.41 = 156,829.94/x
  3. Step 3: Cross multiply
    212,926.50x = 318,725.41 × 156,829.94
  4. Step 4: Simplify right side
    212,926.50x = 49,985,686,926.78
  5. Step 5: Solve for x
    x = 49,985,686,926.78/212,926.50
  6. Step 6: Final answer
    x = 234,755.59

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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.