Finding the Fourth Proportional to 362,416.21, 543,408.96 and 137,793.09
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Solution
The fourth proportional to 362,416.21, 543,408.96 and 137,793.09 is: 206,607.75
Step by Step Solution
- Step 1: Write the proportion equation
362,416.21 : 543,408.96 = 137,793.09 : x - Step 2: Convert to fraction form
362,416.21/543,408.96 = 137,793.09/x - Step 3: Cross multiply
362,416.21x = 543,408.96 × 137,793.09 - Step 4: Simplify right side
362,416.21x = 74,877,997,177.58 - Step 5: Solve for x
x = 74,877,997,177.58/362,416.21 - Step 6: Final answer
x = 206,607.75
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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.