Finding the Fourth Proportional to 439,115.82, 605,979.87 and 237,911.82
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Solution
The fourth proportional to 439,115.82, 605,979.87 and 237,911.82 is: 328,318.33
Step by Step Solution
- Step 1: Write the proportion equation
439,115.82 : 605,979.87 = 237,911.82 : x - Step 2: Convert to fraction form
439,115.82/605,979.87 = 237,911.82/x - Step 3: Cross multiply
439,115.82x = 605,979.87 × 237,911.82 - Step 4: Simplify right side
439,115.82x = 144,169,773,755.06 - Step 5: Solve for x
x = 144,169,773,755.06/439,115.82 - Step 6: Final answer
x = 328,318.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.