Finding the Fourth Proportional to 810,431.08, 1,215,554.46 and 219,409
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Solution
The fourth proportional to 810,431.08, 1,215,554.46 and 219,409 is: 329,088.55
Step by Step Solution
- Step 1: Write the proportion equation
810,431.08 : 1,215,554.46 = 219,409 : x - Step 2: Convert to fraction form
810,431.08/1,215,554.46 = 219,409/x - Step 3: Cross multiply
810,431.08x = 1,215,554.46 × 219,409 - Step 4: Simplify right side
810,431.08x = 266,703,588,514.14 - Step 5: Solve for x
x = 266,703,588,514.14/810,431.08 - Step 6: Final answer
x = 329,088.55
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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.