Finding the Fourth Proportional to 272,669.09, 376,185.93 and 157,885.07
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Solution
The fourth proportional to 272,669.09, 376,185.93 and 157,885.07 is: 217,824.99
Step by Step Solution
- Step 1: Write the proportion equation
272,669.09 : 376,185.93 = 157,885.07 : x - Step 2: Convert to fraction form
272,669.09/376,185.93 = 157,885.07/x - Step 3: Cross multiply
272,669.09x = 376,185.93 × 157,885.07 - Step 4: Simplify right side
272,669.09x = 59,394,140,010.14 - Step 5: Solve for x
x = 59,394,140,010.14/272,669.09 - Step 6: Final answer
x = 217,824.99
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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.