Finding the Fourth Proportional to 197,454.48, 272,400.62 and 115,741.31
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Solution
The fourth proportional to 197,454.48, 272,400.62 and 115,741.31 is: 159,672.26
Step by Step Solution
- Step 1: Write the proportion equation
197,454.48 : 272,400.62 = 115,741.31 : x - Step 2: Convert to fraction form
197,454.48/272,400.62 = 115,741.31/x - Step 3: Cross multiply
197,454.48x = 272,400.62 × 115,741.31 - Step 4: Simplify right side
197,454.48x = 31,528,002,662.90 - Step 5: Solve for x
x = 31,528,002,662.90/197,454.48 - Step 6: Final answer
x = 159,672.26
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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.