Finding the Fourth Proportional to 167,370.38, 230,972.76 and 91,918.88
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Solution
The fourth proportional to 167,370.38, 230,972.76 and 91,918.88 is: 126,848.95
Step by Step Solution
- Step 1: Write the proportion equation
167,370.38 : 230,972.76 = 91,918.88 : x - Step 2: Convert to fraction form
167,370.38/230,972.76 = 91,918.88/x - Step 3: Cross multiply
167,370.38x = 230,972.76 × 91,918.88 - Step 4: Simplify right side
167,370.38x = 21,230,757,409.71 - Step 5: Solve for x
x = 21,230,757,409.71/167,370.38 - Step 6: Final answer
x = 126,848.95
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1.5x scale
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.