Finding the Fourth Proportional to 115,327.63, 159,154.92 and 64,339.99
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Solution
The fourth proportional to 115,327.63, 159,154.92 and 64,339.99 is: 88,790.74
Step by Step Solution
- Step 1: Write the proportion equation
115,327.63 : 159,154.92 = 64,339.99 : x - Step 2: Convert to fraction form
115,327.63/159,154.92 = 64,339.99/x - Step 3: Cross multiply
115,327.63x = 159,154.92 × 64,339.99 - Step 4: Simplify right side
115,327.63x = 10,240,025,961.25 - Step 5: Solve for x
x = 10,240,025,961.25/115,327.63 - Step 6: Final answer
x = 88,790.74
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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.