Finding the Fourth Proportional to 115,643.36, 173,187.84 and 59,335.28
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Solution
The fourth proportional to 115,643.36, 173,187.84 and 59,335.28 is: 88,860.69
Step by Step Solution
- Step 1: Write the proportion equation
115,643.36 : 173,187.84 = 59,335.28 : x - Step 2: Convert to fraction form
115,643.36/173,187.84 = 59,335.28/x - Step 3: Cross multiply
115,643.36x = 173,187.84 × 59,335.28 - Step 4: Simplify right side
115,643.36x = 10,276,148,979.00 - Step 5: Solve for x
x = 10,276,148,979.00/115,643.36 - Step 6: Final answer
x = 88,860.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.