Finding the Fourth Proportional to 212,697.04, 293,536.12 and 117,203.72
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Solution
The fourth proportional to 212,697.04, 293,536.12 and 117,203.72 is: 161,748.96
Step by Step Solution
- Step 1: Write the proportion equation
212,697.04 : 293,536.12 = 117,203.72 : x - Step 2: Convert to fraction form
212,697.04/293,536.12 = 117,203.72/x - Step 3: Cross multiply
212,697.04x = 293,536.12 × 117,203.72 - Step 4: Simplify right side
212,697.04x = 34,403,525,218.37 - Step 5: Solve for x
x = 34,403,525,218.37/212,697.04 - Step 6: Final answer
x = 161,748.96
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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.