Finding the Fourth Proportional to 163,680.84, 245,531.64 and 51,365.49
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Solution
The fourth proportional to 163,680.84, 245,531.64 and 51,365.49 is: 77,051.49
Step by Step Solution
- Step 1: Write the proportion equation
163,680.84 : 245,531.64 = 51,365.49 : x - Step 2: Convert to fraction form
163,680.84/245,531.64 = 51,365.49/x - Step 3: Cross multiply
163,680.84x = 245,531.64 × 51,365.49 - Step 4: Simplify right side
163,680.84x = 12,611,853,191.72 - Step 5: Solve for x
x = 12,611,853,191.72/163,680.84 - Step 6: Final answer
x = 77,051.49
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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.