Finding the Fourth Proportional to 248,895.18, 343,475.73 and 135,717.93
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Solution
The fourth proportional to 248,895.18, 343,475.73 and 135,717.93 is: 187,290.95
Step by Step Solution
- Step 1: Write the proportion equation
248,895.18 : 343,475.73 = 135,717.93 : x - Step 2: Convert to fraction form
248,895.18/343,475.73 = 135,717.93/x - Step 3: Cross multiply
248,895.18x = 343,475.73 × 135,717.93 - Step 4: Simplify right side
248,895.18x = 46,615,815,080.84 - Step 5: Solve for x
x = 46,615,815,080.84/248,895.18 - Step 6: Final answer
x = 187,290.95
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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.