Finding the Fourth Proportional to 804,967.14, 1,207,492.05 and 205,933.50
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Solution
The fourth proportional to 804,967.14, 1,207,492.05 and 205,933.50 is: 308,910.83
Step by Step Solution
- Step 1: Write the proportion equation
804,967.14 : 1,207,492.05 = 205,933.50 : x - Step 2: Convert to fraction form
804,967.14/1,207,492.05 = 205,933.50/x - Step 3: Cross multiply
804,967.14x = 1,207,492.05 × 205,933.50 - Step 4: Simplify right side
804,967.14x = 248,663,064,078.68 - Step 5: Solve for x
x = 248,663,064,078.68/804,967.14 - Step 6: Final answer
x = 308,910.83
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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.