Finding the Fourth Proportional to 169,487.81, 233,895.90 and 97,874.09
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Solution
The fourth proportional to 169,487.81, 233,895.90 and 97,874.09 is: 135,067.81
Step by Step Solution
- Step 1: Write the proportion equation
169,487.81 : 233,895.90 = 97,874.09 : x - Step 2: Convert to fraction form
169,487.81/233,895.90 = 97,874.09/x - Step 3: Cross multiply
169,487.81x = 233,895.90 × 97,874.09 - Step 4: Simplify right side
169,487.81x = 22,892,347,197.75 - Step 5: Solve for x
x = 22,892,347,197.75/169,487.81 - Step 6: Final answer
x = 135,067.81
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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.