Finding the Fourth Proportional to 198,973.48, 274,566.66 and 114,071.08
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Solution
The fourth proportional to 198,973.48, 274,566.66 and 114,071.08 is: 157,408.49
Step by Step Solution
- Step 1: Write the proportion equation
198,973.48 : 274,566.66 = 114,071.08 : x - Step 2: Convert to fraction form
198,973.48/274,566.66 = 114,071.08/x - Step 3: Cross multiply
198,973.48x = 274,566.66 × 114,071.08 - Step 4: Simplify right side
198,973.48x = 31,320,115,438.19 - Step 5: Solve for x
x = 31,320,115,438.19/198,973.48 - Step 6: Final answer
x = 157,408.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.