Finding the Fourth Proportional to 163,929.96, 226,221.12 and 92,310.84
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Solution
The fourth proportional to 163,929.96, 226,221.12 and 92,310.84 is: 127,387.71
Step by Step Solution
- Step 1: Write the proportion equation
163,929.96 : 226,221.12 = 92,310.84 : x - Step 2: Convert to fraction form
163,929.96/226,221.12 = 92,310.84/x - Step 3: Cross multiply
163,929.96x = 226,221.12 × 92,310.84 - Step 4: Simplify right side
163,929.96x = 20,882,661,612.94 - Step 5: Solve for x
x = 20,882,661,612.94/163,929.96 - Step 6: Final answer
x = 127,387.71
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1.5x scale
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.