Finding the Fourth Proportional to 242,876.31, 364,338.77 and 74,394.69
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Solution
The fourth proportional to 242,876.31, 364,338.77 and 74,394.69 is: 111,599.48
Step by Step Solution
- Step 1: Write the proportion equation
242,876.31 : 364,338.77 = 74,394.69 : x - Step 2: Convert to fraction form
242,876.31/364,338.77 = 74,394.69/x - Step 3: Cross multiply
242,876.31x = 364,338.77 × 74,394.69 - Step 4: Simplify right side
242,876.31x = 27,104,869,849.13 - Step 5: Solve for x
x = 27,104,869,849.13/242,876.31 - Step 6: Final answer
x = 111,599.48
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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.