Finding the Fourth Proportional to 115,297.97, 159,111.40 and 64,313.99
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Solution
The fourth proportional to 115,297.97, 159,111.40 and 64,313.99 is: 88,753.42
Step by Step Solution
- Step 1: Write the proportion equation
115,297.97 : 159,111.40 = 64,313.99 : x - Step 2: Convert to fraction form
115,297.97/159,111.40 = 64,313.99/x - Step 3: Cross multiply
115,297.97x = 159,111.40 × 64,313.99 - Step 4: Simplify right side
115,297.97x = 10,233,088,988.49 - Step 5: Solve for x
x = 10,233,088,988.49/115,297.97 - Step 6: Final answer
x = 88,753.42
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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.