Finding the Fourth Proportional to 272,542.54, 376,104.93 and 151,683.79
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Solution
The fourth proportional to 272,542.54, 376,104.93 and 151,683.79 is: 209,321.53
Step by Step Solution
- Step 1: Write the proportion equation
272,542.54 : 376,104.93 = 151,683.79 : x - Step 2: Convert to fraction form
272,542.54/376,104.93 = 151,683.79/x - Step 3: Cross multiply
272,542.54x = 376,104.93 × 151,683.79 - Step 4: Simplify right side
272,542.54x = 57,049,021,220.08 - Step 5: Solve for x
x = 57,049,021,220.08/272,542.54 - Step 6: Final answer
x = 209,321.53
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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.