Finding the Fourth Proportional to 163,056.42, 225,020.18 and 98,516.70
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Solution
The fourth proportional to 163,056.42, 225,020.18 and 98,516.70 is: 135,954.45
Step by Step Solution
- Step 1: Write the proportion equation
163,056.42 : 225,020.18 = 98,516.70 : x - Step 2: Convert to fraction form
163,056.42/225,020.18 = 98,516.70/x - Step 3: Cross multiply
163,056.42x = 225,020.18 × 98,516.70 - Step 4: Simplify right side
163,056.42x = 22,168,245,567.01 - Step 5: Solve for x
x = 22,168,245,567.01/163,056.42 - Step 6: Final answer
x = 135,954.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.