Finding the Fourth Proportional to 115,224.24, 159,002.82 and 64,235.28
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Solution
The fourth proportional to 115,224.24, 159,002.82 and 64,235.28 is: 88,640.99
Step by Step Solution
- Step 1: Write the proportion equation
115,224.24 : 159,002.82 = 64,235.28 : x - Step 2: Convert to fraction form
115,224.24/159,002.82 = 64,235.28/x - Step 3: Cross multiply
115,224.24x = 159,002.82 × 64,235.28 - Step 4: Simplify right side
115,224.24x = 10,213,590,663.49 - Step 5: Solve for x
x = 10,213,590,663.49/115,224.24 - Step 6: Final answer
x = 88,640.99
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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.