Finding the Fourth Proportional to 161,536.80, 242,449.20 and 94,893.60
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Solution
The fourth proportional to 161,536.80, 242,449.20 and 94,893.60 is: 142,424.99
Step by Step Solution
- Step 1: Write the proportion equation
161,536.80 : 242,449.20 = 94,893.60 : x - Step 2: Convert to fraction form
161,536.80/242,449.20 = 94,893.60/x - Step 3: Cross multiply
161,536.80x = 242,449.20 × 94,893.60 - Step 4: Simplify right side
161,536.80x = 23,006,877,405.12 - Step 5: Solve for x
x = 23,006,877,405.12/161,536.80 - Step 6: Final answer
x = 142,424.99
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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.