Finding the Fourth Proportional to 201,543.12, 302,227.20 and 117,387.36
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Solution
The fourth proportional to 201,543.12, 302,227.20 and 117,387.36 is: 176,030.09
Step by Step Solution
- Step 1: Write the proportion equation
201,543.12 : 302,227.20 = 117,387.36 : x - Step 2: Convert to fraction form
201,543.12/302,227.20 = 117,387.36/x - Step 3: Cross multiply
201,543.12x = 302,227.20 × 117,387.36 - Step 4: Simplify right side
201,543.12x = 35,477,653,128.19 - Step 5: Solve for x
x = 35,477,653,128.19/201,543.12 - Step 6: Final answer
x = 176,030.09
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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.