Finding the Fourth Proportional to 511,495.97, 705,848.99 and 282,053.14
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Solution
The fourth proportional to 511,495.97, 705,848.99 and 282,053.14 is: 389,224.81
Step by Step Solution
- Step 1: Write the proportion equation
511,495.97 : 705,848.99 = 282,053.14 : x - Step 2: Convert to fraction form
511,495.97/705,848.99 = 282,053.14/x - Step 3: Cross multiply
511,495.97x = 705,848.99 × 282,053.14 - Step 4: Simplify right side
511,495.97x = 199,086,920,820.44 - Step 5: Solve for x
x = 199,086,920,820.44/511,495.97 - Step 6: Final answer
x = 389,224.81
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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.