Finding the Fourth Proportional to 163,713.60, 246,153.60 and 138,052.80
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Solution
The fourth proportional to 163,713.60, 246,153.60 and 138,052.80 is: 207,570.99
Step by Step Solution
- Step 1: Write the proportion equation
163,713.60 : 246,153.60 = 138,052.80 : x - Step 2: Convert to fraction form
163,713.60/246,153.60 = 138,052.80/x - Step 3: Cross multiply
163,713.60x = 246,153.60 × 138,052.80 - Step 4: Simplify right side
163,713.60x = 33,982,193,710.08 - Step 5: Solve for x
x = 33,982,193,710.08/163,713.60 - Step 6: Final answer
x = 207,570.99
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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.