Finding the Fourth Proportional to 301,111.06, 415,531.31 and 172,088.99
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Solution
The fourth proportional to 301,111.06, 415,531.31 and 172,088.99 is: 237,481.70
Step by Step Solution
- Step 1: Write the proportion equation
301,111.06 : 415,531.31 = 172,088.99 : x - Step 2: Convert to fraction form
301,111.06/415,531.31 = 172,088.99/x - Step 3: Cross multiply
301,111.06x = 415,531.31 × 172,088.99 - Step 4: Simplify right side
301,111.06x = 71,508,365,860.78 - Step 5: Solve for x
x = 71,508,365,860.78/301,111.06 - Step 6: Final answer
x = 237,481.70
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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.