Finding the Fourth Proportional to 124,570.21, 186,383.71 and 76,367.38
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Solution
The fourth proportional to 124,570.21, 186,383.71 and 76,367.38 is: 114,261.95
Step by Step Solution
- Step 1: Write the proportion equation
124,570.21 : 186,383.71 = 76,367.38 : x - Step 2: Convert to fraction form
124,570.21/186,383.71 = 76,367.38/x - Step 3: Cross multiply
124,570.21x = 186,383.71 × 76,367.38 - Step 4: Simplify right side
124,570.21x = 14,233,635,607.38 - Step 5: Solve for x
x = 14,233,635,607.38/124,570.21 - Step 6: Final answer
x = 114,261.95
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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.