Home / 348,515.26-521,930.86-198,300.50

Finding the Fourth Proportional to 348,515.26, 521,930.86 and 198,300.50

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Solution

The fourth proportional to 348,515.26, 521,930.86 and 198,300.50 is: 296,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,515.26 : 521,930.86 = 198,300.50 : x
  2. Step 2: Convert to fraction form
    348,515.26/521,930.86 = 198,300.50/x
  3. Step 3: Cross multiply
    348,515.26x = 521,930.86 × 198,300.50
  4. Step 4: Simplify right side
    348,515.26x = 103,499,150,503.43
  5. Step 5: Solve for x
    x = 103,499,150,503.43/348,515.26
  6. Step 6: Final answer
    x = 296,971.65

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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.