Finding the Fourth Proportional to 219,284.62, 328,938.77 and 69,514.00
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Solution
The fourth proportional to 219,284.62, 328,938.77 and 69,514.00 is: 104,274.75
Step by Step Solution
- Step 1: Write the proportion equation
219,284.62 : 328,938.77 = 69,514.00 : x - Step 2: Convert to fraction form
219,284.62/328,938.77 = 69,514.00/x - Step 3: Cross multiply
219,284.62x = 328,938.77 × 69,514.00 - Step 4: Simplify right side
219,284.62x = 22,865,849,009.22 - Step 5: Solve for x
x = 22,865,849,009.22/219,284.62 - Step 6: Final answer
x = 104,274.75
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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.