Home / 208,984.40-313,476.60-51,214.40

Finding the Fourth Proportional to 208,984.40, 313,476.60 and 51,214.40

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Solution

The fourth proportional to 208,984.40, 313,476.60 and 51,214.40 is: 76,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,984.40 : 313,476.60 = 51,214.40 : x
  2. Step 2: Convert to fraction form
    208,984.40/313,476.60 = 51,214.40/x
  3. Step 3: Cross multiply
    208,984.40x = 313,476.60 × 51,214.40
  4. Step 4: Simplify right side
    208,984.40x = 16,054,515,983.04
  5. Step 5: Solve for x
    x = 16,054,515,983.04/208,984.40
  6. Step 6: Final answer
    x = 76,821.60

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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.