Finding the Fourth Proportional to 163,497.80, 245,117.10 and 89,625.80
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Solution
The fourth proportional to 163,497.80, 245,117.10 and 89,625.80 is: 134,367.66
Step by Step Solution
- Step 1: Write the proportion equation
163,497.80 : 245,117.10 = 89,625.80 : x - Step 2: Convert to fraction form
163,497.80/245,117.10 = 89,625.80/x - Step 3: Cross multiply
163,497.80x = 245,117.10 × 89,625.80 - Step 4: Simplify right side
163,497.80x = 21,968,816,181.18 - Step 5: Solve for x
x = 21,968,816,181.18/163,497.80 - Step 6: Final answer
x = 134,367.66
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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.