Finding the Fourth Proportional to 198,646.71, 297,895.74 and 72,250.08
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Solution
The fourth proportional to 198,646.71, 297,895.74 and 72,250.08 is: 108,348.09
Step by Step Solution
- Step 1: Write the proportion equation
198,646.71 : 297,895.74 = 72,250.08 : x - Step 2: Convert to fraction form
198,646.71/297,895.74 = 72,250.08/x - Step 3: Cross multiply
198,646.71x = 297,895.74 × 72,250.08 - Step 4: Simplify right side
198,646.71x = 21,522,991,046.66 - Step 5: Solve for x
x = 21,522,991,046.66/198,646.71 - Step 6: Final answer
x = 108,348.09
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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.