Finding the Fourth Proportional to 190,599.49, 285,538.36 and 127,228.53
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Solution
The fourth proportional to 190,599.49, 285,538.36 and 127,228.53 is: 190,601.90
Step by Step Solution
- Step 1: Write the proportion equation
190,599.49 : 285,538.36 = 127,228.53 : x - Step 2: Convert to fraction form
190,599.49/285,538.36 = 127,228.53/x - Step 3: Cross multiply
190,599.49x = 285,538.36 × 127,228.53 - Step 4: Simplify right side
190,599.49x = 36,328,625,801.41 - Step 5: Solve for x
x = 36,328,625,801.41/190,599.49 - Step 6: Final answer
x = 190,601.90
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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.