Finding the Fourth Proportional to 263,538.36, 395,381.35 and 105,877.53
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Solution
The fourth proportional to 263,538.36, 395,381.35 and 105,877.53 is: 158,845.95
Step by Step Solution
- Step 1: Write the proportion equation
263,538.36 : 395,381.35 = 105,877.53 : x - Step 2: Convert to fraction form
263,538.36/395,381.35 = 105,877.53/x - Step 3: Cross multiply
263,538.36x = 395,381.35 × 105,877.53 - Step 4: Simplify right side
263,538.36x = 41,862,000,878.41 - Step 5: Solve for x
x = 41,862,000,878.41/263,538.36 - Step 6: Final answer
x = 158,845.95
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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.