Finding the Fourth Proportional to 168,052.44, 252,252.90 and 74,623.80
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Solution
The fourth proportional to 168,052.44, 252,252.90 and 74,623.80 is: 112,013.07
Step by Step Solution
- Step 1: Write the proportion equation
168,052.44 : 252,252.90 = 74,623.80 : x - Step 2: Convert to fraction form
168,052.44/252,252.90 = 74,623.80/x - Step 3: Cross multiply
168,052.44x = 252,252.90 × 74,623.80 - Step 4: Simplify right side
168,052.44x = 18,824,069,959.02 - Step 5: Solve for x
x = 18,824,069,959.02/168,052.44 - Step 6: Final answer
x = 112,013.07
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1.5x scale
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.