Finding the Fourth Proportional to 349,577.78, 482,398.74 and 206,285.54
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Solution
The fourth proportional to 349,577.78, 482,398.74 and 206,285.54 is: 284,663.07
Step by Step Solution
- Step 1: Write the proportion equation
349,577.78 : 482,398.74 = 206,285.54 : x - Step 2: Convert to fraction form
349,577.78/482,398.74 = 206,285.54/x - Step 3: Cross multiply
349,577.78x = 482,398.74 × 206,285.54 - Step 4: Simplify right side
349,577.78x = 99,511,882,164.23 - Step 5: Solve for x
x = 99,511,882,164.23/349,577.78 - Step 6: Final answer
x = 284,663.07
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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.