Finding the Fourth Proportional to 242,449.25, 334,556.01 and 135,029.28
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Solution
The fourth proportional to 242,449.25, 334,556.01 and 135,029.28 is: 186,327.07
Step by Step Solution
- Step 1: Write the proportion equation
242,449.25 : 334,556.01 = 135,029.28 : x - Step 2: Convert to fraction form
242,449.25/334,556.01 = 135,029.28/x - Step 3: Cross multiply
242,449.25x = 334,556.01 × 135,029.28 - Step 4: Simplify right side
242,449.25x = 45,174,857,149.97 - Step 5: Solve for x
x = 45,174,857,149.97/242,449.25 - Step 6: Final answer
x = 186,327.07
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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.