Finding the Fourth Proportional to 166,809.69, 230,188.26 and 98,832.95
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Solution
The fourth proportional to 166,809.69, 230,188.26 and 98,832.95 is: 136,384.07
Step by Step Solution
- Step 1: Write the proportion equation
166,809.69 : 230,188.26 = 98,832.95 : x - Step 2: Convert to fraction form
166,809.69/230,188.26 = 98,832.95/x - Step 3: Cross multiply
166,809.69x = 230,188.26 × 98,832.95 - Step 4: Simplify right side
166,809.69x = 22,750,183,640.23 - Step 5: Solve for x
x = 22,750,183,640.23/166,809.69 - Step 6: Final answer
x = 136,384.07
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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.