Finding the Fourth Proportional to 127,102.14, 190,658.18 and 38,355.66
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Solution
The fourth proportional to 127,102.14, 190,658.18 and 38,355.66 is: 57,534.99
Step by Step Solution
- Step 1: Write the proportion equation
127,102.14 : 190,658.18 = 38,355.66 : x - Step 2: Convert to fraction form
127,102.14/190,658.18 = 38,355.66/x - Step 3: Cross multiply
127,102.14x = 190,658.18 × 38,355.66 - Step 4: Simplify right side
127,102.14x = 7,312,820,424.19 - Step 5: Solve for x
x = 7,312,820,424.19/127,102.14 - Step 6: Final answer
x = 57,534.99
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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.