Finding the Fourth Proportional to 529,029.80, 793,544.70 and 280,197.80
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Solution
The fourth proportional to 529,029.80, 793,544.70 and 280,197.80 is: 420,296.70
Step by Step Solution
- Step 1: Write the proportion equation
529,029.80 : 793,544.70 = 280,197.80 : x - Step 2: Convert to fraction form
529,029.80/793,544.70 = 280,197.80/x - Step 3: Cross multiply
529,029.80x = 793,544.70 × 280,197.80 - Step 4: Simplify right side
529,029.80x = 222,349,479,141.66 - Step 5: Solve for x
x = 222,349,479,141.66/529,029.80 - Step 6: Final answer
x = 420,296.70
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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.