Finding the Fourth Proportional to 163,449.42, 245,543.21 and 96,933.18
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Solution
The fourth proportional to 163,449.42, 245,543.21 and 96,933.18 is: 145,618.65
Step by Step Solution
- Step 1: Write the proportion equation
163,449.42 : 245,543.21 = 96,933.18 : x - Step 2: Convert to fraction form
163,449.42/245,543.21 = 96,933.18/x - Step 3: Cross multiply
163,449.42x = 245,543.21 × 96,933.18 - Step 4: Simplify right side
163,449.42x = 23,801,284,172.71 - Step 5: Solve for x
x = 23,801,284,172.71/163,449.42 - Step 6: Final answer
x = 145,618.65
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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.