Finding the Fourth Proportional to 242,605.49, 334,791.11 and 135,173.21
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Solution
The fourth proportional to 242,605.49, 334,791.11 and 135,173.21 is: 186,536.54
Step by Step Solution
- Step 1: Write the proportion equation
242,605.49 : 334,791.11 = 135,173.21 : x - Step 2: Convert to fraction form
242,605.49/334,791.11 = 135,173.21/x - Step 3: Cross multiply
242,605.49x = 334,791.11 × 135,173.21 - Step 4: Simplify right side
242,605.49x = 45,254,787,682.14 - Step 5: Solve for x
x = 45,254,787,682.14/242,605.49 - Step 6: Final answer
x = 186,536.54
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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.