Finding the Fourth Proportional to 157,745.25, 217,462.37 and 97,275.31
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Solution
The fourth proportional to 157,745.25, 217,462.37 and 97,275.31 is: 134,100.51
Step by Step Solution
- Step 1: Write the proportion equation
157,745.25 : 217,462.37 = 97,275.31 : x - Step 2: Convert to fraction form
157,745.25/217,462.37 = 97,275.31/x - Step 3: Cross multiply
157,745.25x = 217,462.37 × 97,275.31 - Step 4: Simplify right side
157,745.25x = 21,153,718,425.05 - Step 5: Solve for x
x = 21,153,718,425.05/157,745.25 - Step 6: Final answer
x = 134,100.51
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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.