Finding the Fourth Proportional to 517,057.92, 713,733.12 and 302,266.80
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Solution
The fourth proportional to 517,057.92, 713,733.12 and 302,266.80 is: 417,241.12
Step by Step Solution
- Step 1: Write the proportion equation
517,057.92 : 713,733.12 = 302,266.80 : x - Step 2: Convert to fraction form
517,057.92/713,733.12 = 302,266.80/x - Step 3: Cross multiply
517,057.92x = 713,733.12 × 302,266.80 - Step 4: Simplify right side
517,057.92x = 215,737,826,236.42 - Step 5: Solve for x
x = 215,737,826,236.42/517,057.92 - Step 6: Final answer
x = 417,241.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.