Finding the Fourth Proportional to 115,252.13, 159,036.26 and 64,260.02
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Solution
The fourth proportional to 115,252.13, 159,036.26 and 64,260.02 is: 88,672.31
Step by Step Solution
- Step 1: Write the proportion equation
115,252.13 : 159,036.26 = 64,260.02 : x - Step 2: Convert to fraction form
115,252.13/159,036.26 = 64,260.02/x - Step 3: Cross multiply
115,252.13x = 159,036.26 × 64,260.02 - Step 4: Simplify right side
115,252.13x = 10,219,672,131.84 - Step 5: Solve for x
x = 10,219,672,131.84/115,252.13 - Step 6: Final answer
x = 88,672.31
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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.