Home / 212,498.26-318,805.60-62,738.50

Finding the Fourth Proportional to 212,498.26, 318,805.60 and 62,738.50

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Solution

The fourth proportional to 212,498.26, 318,805.60 and 62,738.50 is: 94,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,498.26 : 318,805.60 = 62,738.50 : x
  2. Step 2: Convert to fraction form
    212,498.26/318,805.60 = 62,738.50/x
  3. Step 3: Cross multiply
    212,498.26x = 318,805.60 × 62,738.50
  4. Step 4: Simplify right side
    212,498.26x = 20,001,385,135.60
  5. Step 5: Solve for x
    x = 20,001,385,135.60/212,498.26
  6. Step 6: Final answer
    x = 94,124.94

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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.