Finding the Fourth Proportional to 201,691.25, 302,203.80 and 117,214.19
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Solution
The fourth proportional to 201,691.25, 302,203.80 and 117,214.19 is: 175,627.71
Step by Step Solution
- Step 1: Write the proportion equation
201,691.25 : 302,203.80 = 117,214.19 : x - Step 2: Convert to fraction form
201,691.25/302,203.80 = 117,214.19/x - Step 3: Cross multiply
201,691.25x = 302,203.80 × 117,214.19 - Step 4: Simplify right side
201,691.25x = 35,422,572,120.90 - Step 5: Solve for x
x = 35,422,572,120.90/201,691.25 - Step 6: Final answer
x = 175,627.71
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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.