Finding the Fourth Proportional to 168,577.80, 252,866.70 and 147,841.80
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Solution
The fourth proportional to 168,577.80, 252,866.70 and 147,841.80 is: 221,762.70
Step by Step Solution
- Step 1: Write the proportion equation
168,577.80 : 252,866.70 = 147,841.80 : x - Step 2: Convert to fraction form
168,577.80/252,866.70 = 147,841.80/x - Step 3: Cross multiply
168,577.80x = 252,866.70 × 147,841.80 - Step 4: Simplify right side
168,577.80x = 37,384,268,088.06 - Step 5: Solve for x
x = 37,384,268,088.06/168,577.80 - Step 6: Final answer
x = 221,762.70
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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.