Finding the Fourth Proportional to 173,863.60, 260,730.60 and 68,660.80
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Solution
The fourth proportional to 173,863.60, 260,730.60 and 68,660.80 is: 102,965.61
Step by Step Solution
- Step 1: Write the proportion equation
173,863.60 : 260,730.60 = 68,660.80 : x - Step 2: Convert to fraction form
173,863.60/260,730.60 = 68,660.80/x - Step 3: Cross multiply
173,863.60x = 260,730.60 × 68,660.80 - Step 4: Simplify right side
173,863.60x = 17,901,971,580.48 - Step 5: Solve for x
x = 17,901,971,580.48/173,863.60 - Step 6: Final answer
x = 102,965.61
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1.5x scale
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.