Finding the Fourth Proportional to 116,270.18, 160,409.79 and 73,238.12
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Solution
The fourth proportional to 116,270.18, 160,409.79 and 73,238.12 is: 101,041.48
Step by Step Solution
- Step 1: Write the proportion equation
116,270.18 : 160,409.79 = 73,238.12 : x - Step 2: Convert to fraction form
116,270.18/160,409.79 = 73,238.12/x - Step 3: Cross multiply
116,270.18x = 160,409.79 × 73,238.12 - Step 4: Simplify right side
116,270.18x = 11,748,110,647.15 - Step 5: Solve for x
x = 11,748,110,647.15/116,270.18 - Step 6: Final answer
x = 101,041.48
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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.