Finding the Fourth Proportional to 191,862.08, 287,546.78 and 91,872.44
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Solution
The fourth proportional to 191,862.08, 287,546.78 and 91,872.44 is: 137,690.70
Step by Step Solution
- Step 1: Write the proportion equation
191,862.08 : 287,546.78 = 91,872.44 : x - Step 2: Convert to fraction form
191,862.08/287,546.78 = 91,872.44/x - Step 3: Cross multiply
191,862.08x = 287,546.78 × 91,872.44 - Step 4: Simplify right side
191,862.08x = 26,417,624,292.74 - Step 5: Solve for x
x = 26,417,624,292.74/191,862.08 - Step 6: Final answer
x = 137,690.70
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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.