Finding the Fourth Proportional to 127,116.96, 190,670.44 and 38,368.08
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Solution
The fourth proportional to 127,116.96, 190,670.44 and 38,368.08 is: 57,550.61
Step by Step Solution
- Step 1: Write the proportion equation
127,116.96 : 190,670.44 = 38,368.08 : x - Step 2: Convert to fraction form
127,116.96/190,670.44 = 38,368.08/x - Step 3: Cross multiply
127,116.96x = 190,670.44 × 38,368.08 - Step 4: Simplify right side
127,116.96x = 7,315,658,695.56 - Step 5: Solve for x
x = 7,315,658,695.56/127,116.96 - Step 6: Final answer
x = 57,550.61
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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.