Finding the Fourth Proportional to 163,039.08, 244,933.92 and 115,118.40
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Solution
The fourth proportional to 163,039.08, 244,933.92 and 115,118.40 is: 172,942.59
Step by Step Solution
- Step 1: Write the proportion equation
163,039.08 : 244,933.92 = 115,118.40 : x - Step 2: Convert to fraction form
163,039.08/244,933.92 = 115,118.40/x - Step 3: Cross multiply
163,039.08x = 244,933.92 × 115,118.40 - Step 4: Simplify right side
163,039.08x = 28,196,400,976.13 - Step 5: Solve for x
x = 28,196,400,976.13/163,039.08 - Step 6: Final answer
x = 172,942.59
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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.