Finding the Fourth Proportional to 248,920.88, 343,536.73 and 153,425.12
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Solution
The fourth proportional to 248,920.88, 343,536.73 and 153,425.12 is: 211,742.63
Step by Step Solution
- Step 1: Write the proportion equation
248,920.88 : 343,536.73 = 153,425.12 : x - Step 2: Convert to fraction form
248,920.88/343,536.73 = 153,425.12/x - Step 3: Cross multiply
248,920.88x = 343,536.73 × 153,425.12 - Step 4: Simplify right side
248,920.88x = 52,707,161,923.41 - Step 5: Solve for x
x = 52,707,161,923.41/248,920.88 - Step 6: Final answer
x = 211,742.63
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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.