Finding the Fourth Proportional to 529,893.06, 731,245.53 and 288,170.49
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Solution
The fourth proportional to 529,893.06, 731,245.53 and 288,170.49 is: 397,671.53
Step by Step Solution
- Step 1: Write the proportion equation
529,893.06 : 731,245.53 = 288,170.49 : x - Step 2: Convert to fraction form
529,893.06/731,245.53 = 288,170.49/x - Step 3: Cross multiply
529,893.06x = 731,245.53 × 288,170.49 - Step 4: Simplify right side
529,893.06x = 210,723,382,690.41 - Step 5: Solve for x
x = 210,723,382,690.41/529,893.06 - Step 6: Final answer
x = 397,671.53
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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.