Finding the Fourth Proportional to 163,586.97, 245,205.50 and 74,707.29
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Solution
The fourth proportional to 163,586.97, 245,205.50 and 74,707.29 is: 111,981.03
Step by Step Solution
- Step 1: Write the proportion equation
163,586.97 : 245,205.50 = 74,707.29 : x - Step 2: Convert to fraction form
163,586.97/245,205.50 = 74,707.29/x - Step 3: Cross multiply
163,586.97x = 245,205.50 × 74,707.29 - Step 4: Simplify right side
163,586.97x = 18,318,638,024.56 - Step 5: Solve for x
x = 18,318,638,024.56/163,586.97 - Step 6: Final answer
x = 111,981.03
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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.