Finding the Fourth Proportional to 198,730.73, 297,720.59 and 117,435.26
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Solution
The fourth proportional to 198,730.73, 297,720.59 and 117,435.26 is: 175,930.99
Step by Step Solution
- Step 1: Write the proportion equation
198,730.73 : 297,720.59 = 117,435.26 : x - Step 2: Convert to fraction form
198,730.73/297,720.59 = 117,435.26/x - Step 3: Cross multiply
198,730.73x = 297,720.59 × 117,435.26 - Step 4: Simplify right side
198,730.73x = 34,962,894,894.00 - Step 5: Solve for x
x = 34,962,894,894.00/198,730.73 - Step 6: Final answer
x = 175,930.99
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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.