Finding the Fourth Proportional to 163,812.45, 245,718.68 and 97,218.30
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Solution
The fourth proportional to 163,812.45, 245,718.68 and 97,218.30 is: 145,827.45
Step by Step Solution
- Step 1: Write the proportion equation
163,812.45 : 245,718.68 = 97,218.30 : x - Step 2: Convert to fraction form
163,812.45/245,718.68 = 97,218.30/x - Step 3: Cross multiply
163,812.45x = 245,718.68 × 97,218.30 - Step 4: Simplify right side
163,812.45x = 23,888,351,861.75 - Step 5: Solve for x
x = 23,888,351,861.75/163,812.45 - Step 6: Final answer
x = 145,827.45
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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.