Finding the Fourth Proportional to 512,891.17, 707,768.02 and 283,457.05
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Solution
The fourth proportional to 512,891.17, 707,768.02 and 283,457.05 is: 391,158.68
Step by Step Solution
- Step 1: Write the proportion equation
512,891.17 : 707,768.02 = 283,457.05 : x - Step 2: Convert to fraction form
512,891.17/707,768.02 = 283,457.05/x - Step 3: Cross multiply
512,891.17x = 707,768.02 × 283,457.05 - Step 4: Simplify right side
512,891.17x = 200,621,834,324.90 - Step 5: Solve for x
x = 200,621,834,324.90/512,891.17 - Step 6: Final answer
x = 391,158.68
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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.