Finding the Fourth Proportional to 198,710.52, 274,124.15 and 118,080.99
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Solution
The fourth proportional to 198,710.52, 274,124.15 and 118,080.99 is: 162,894.50
Step by Step Solution
- Step 1: Write the proportion equation
198,710.52 : 274,124.15 = 118,080.99 : x - Step 2: Convert to fraction form
198,710.52/274,124.15 = 118,080.99/x - Step 3: Cross multiply
198,710.52x = 274,124.15 × 118,080.99 - Step 4: Simplify right side
198,710.52x = 32,368,850,867.31 - Step 5: Solve for x
x = 32,368,850,867.31/198,710.52 - Step 6: Final answer
x = 162,894.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.