Finding the Fourth Proportional to 384,812.49, 577,312.79 and 271,181.94
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Solution
The fourth proportional to 384,812.49, 577,312.79 and 271,181.94 is: 406,839.20
Step by Step Solution
- Step 1: Write the proportion equation
384,812.49 : 577,312.79 = 271,181.94 : x - Step 2: Convert to fraction form
384,812.49/577,312.79 = 271,181.94/x - Step 3: Cross multiply
384,812.49x = 577,312.79 × 271,181.94 - Step 4: Simplify right side
384,812.49x = 156,556,804,393.66 - Step 5: Solve for x
x = 156,556,804,393.66/384,812.49 - Step 6: Final answer
x = 406,839.20
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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.