Finding the Fourth Proportional to 167,012.01, 230,491.08 and 91,575.09
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Solution
The fourth proportional to 167,012.01, 230,491.08 and 91,575.09 is: 126,381.58
Step by Step Solution
- Step 1: Write the proportion equation
167,012.01 : 230,491.08 = 91,575.09 : x - Step 2: Convert to fraction form
167,012.01/230,491.08 = 91,575.09/x - Step 3: Cross multiply
167,012.01x = 230,491.08 × 91,575.09 - Step 4: Simplify right side
167,012.01x = 21,107,241,395.20 - Step 5: Solve for x
x = 21,107,241,395.20/167,012.01 - Step 6: Final answer
x = 126,381.58
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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.