Finding the Fourth Proportional to 161,820.05, 242,691.18 and 82,893.65
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Solution
The fourth proportional to 161,820.05, 242,691.18 and 82,893.65 is: 124,320.55
Step by Step Solution
- Step 1: Write the proportion equation
161,820.05 : 242,691.18 = 82,893.65 : x - Step 2: Convert to fraction form
161,820.05/242,691.18 = 82,893.65/x - Step 3: Cross multiply
161,820.05x = 242,691.18 × 82,893.65 - Step 4: Simplify right side
161,820.05x = 20,117,557,733.01 - Step 5: Solve for x
x = 20,117,557,733.01/161,820.05 - Step 6: Final answer
x = 124,320.55
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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.