Finding the Fourth Proportional to 496,214.58, 684,761.49 and 281,374.26
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Solution
The fourth proportional to 496,214.58, 684,761.49 and 281,374.26 is: 388,288.18
Step by Step Solution
- Step 1: Write the proportion equation
496,214.58 : 684,761.49 = 281,374.26 : x - Step 2: Convert to fraction form
496,214.58/684,761.49 = 281,374.26/x - Step 3: Cross multiply
496,214.58x = 684,761.49 × 281,374.26 - Step 4: Simplify right side
496,214.58x = 192,674,257,525.25 - Step 5: Solve for x
x = 192,674,257,525.25/496,214.58 - Step 6: Final answer
x = 388,288.18
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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.