Finding the Fourth Proportional to 173,805.60, 260,643.60 and 68,602.80
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Solution
The fourth proportional to 173,805.60, 260,643.60 and 68,602.80 is: 102,878.62
Step by Step Solution
- Step 1: Write the proportion equation
173,805.60 : 260,643.60 = 68,602.80 : x - Step 2: Convert to fraction form
173,805.60/260,643.60 = 68,602.80/x - Step 3: Cross multiply
173,805.60x = 260,643.60 × 68,602.80 - Step 4: Simplify right side
173,805.60x = 17,880,880,762.08 - Step 5: Solve for x
x = 17,880,880,762.08/173,805.60 - Step 6: Final answer
x = 102,878.62
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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.