Finding the Fourth Proportional to 199,156.76, 274,710.74 and 118,524.09
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Solution
The fourth proportional to 199,156.76, 274,710.74 and 118,524.09 is: 163,488.50
Step by Step Solution
- Step 1: Write the proportion equation
199,156.76 : 274,710.74 = 118,524.09 : x - Step 2: Convert to fraction form
199,156.76/274,710.74 = 118,524.09/x - Step 3: Cross multiply
199,156.76x = 274,710.74 × 118,524.09 - Step 4: Simplify right side
199,156.76x = 32,559,839,879.11 - Step 5: Solve for x
x = 32,559,839,879.11/199,156.76 - Step 6: Final answer
x = 163,488.50
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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.