Finding the Fourth Proportional to 79,203.18, 118,850.94 and 29,317.98
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Solution
The fourth proportional to 79,203.18, 118,850.94 and 29,317.98 is: 43,994.06
Step by Step Solution
- Step 1: Write the proportion equation
79,203.18 : 118,850.94 = 29,317.98 : x - Step 2: Convert to fraction form
79,203.18/118,850.94 = 29,317.98/x - Step 3: Cross multiply
79,203.18x = 118,850.94 × 29,317.98 - Step 4: Simplify right side
79,203.18x = 3,484,469,481.90 - Step 5: Solve for x
x = 3,484,469,481.90/79,203.18 - Step 6: Final answer
x = 43,994.06
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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.