Finding the Fourth Proportional to 168,022.47, 252,006.36 and 68,178.63
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Solution
The fourth proportional to 168,022.47, 252,006.36 and 68,178.63 is: 102,256.84
Step by Step Solution
- Step 1: Write the proportion equation
168,022.47 : 252,006.36 = 68,178.63 : x - Step 2: Convert to fraction form
168,022.47/252,006.36 = 68,178.63/x - Step 3: Cross multiply
168,022.47x = 252,006.36 × 68,178.63 - Step 4: Simplify right side
168,022.47x = 17,181,447,116.06 - Step 5: Solve for x
x = 17,181,447,116.06/168,022.47 - Step 6: Final answer
x = 102,256.84
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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.