Finding the Fourth Proportional to 529,617.80, 794,135.10 and 213,717.80
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Solution
The fourth proportional to 529,617.80, 794,135.10 and 213,717.80 is: 320,459.03
Step by Step Solution
- Step 1: Write the proportion equation
529,617.80 : 794,135.10 = 213,717.80 : x - Step 2: Convert to fraction form
529,617.80/794,135.10 = 213,717.80/x - Step 3: Cross multiply
529,617.80x = 794,135.10 × 213,717.80 - Step 4: Simplify right side
529,617.80x = 169,720,806,474.78 - Step 5: Solve for x
x = 169,720,806,474.78/529,617.80 - Step 6: Final answer
x = 320,459.03
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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.