Finding the Fourth Proportional to 512,343.18, 707,093.55 and 426,150.09
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Solution
The fourth proportional to 512,343.18, 707,093.55 and 426,150.09 is: 588,137.00
Step by Step Solution
- Step 1: Write the proportion equation
512,343.18 : 707,093.55 = 426,150.09 : x - Step 2: Convert to fraction form
512,343.18/707,093.55 = 426,150.09/x - Step 3: Cross multiply
512,343.18x = 707,093.55 × 426,150.09 - Step 4: Simplify right side
512,343.18x = 301,327,979,970.92 - Step 5: Solve for x
x = 301,327,979,970.92/512,343.18 - Step 6: Final answer
x = 588,137.00
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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.