Finding the Fourth Proportional to 219,326.08, 328,939.92 and 100,883.68
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Solution
The fourth proportional to 219,326.08, 328,939.92 and 100,883.68 is: 151,302.89
Step by Step Solution
- Step 1: Write the proportion equation
219,326.08 : 328,939.92 = 100,883.68 : x - Step 2: Convert to fraction form
219,326.08/328,939.92 = 100,883.68/x - Step 3: Cross multiply
219,326.08x = 328,939.92 × 100,883.68 - Step 4: Simplify right side
219,326.08x = 33,184,669,628.51 - Step 5: Solve for x
x = 33,184,669,628.51/219,326.08 - Step 6: Final answer
x = 151,302.89
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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.