Finding the Fourth Proportional to 248,867.91, 343,438.08 and 135,690.66
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Solution
The fourth proportional to 248,867.91, 343,438.08 and 135,690.66 is: 187,253.31
Step by Step Solution
- Step 1: Write the proportion equation
248,867.91 : 343,438.08 = 135,690.66 : x - Step 2: Convert to fraction form
248,867.91/343,438.08 = 135,690.66/x - Step 3: Cross multiply
248,867.91x = 343,438.08 × 135,690.66 - Step 4: Simplify right side
248,867.91x = 46,601,339,744.33 - Step 5: Solve for x
x = 46,601,339,744.33/248,867.91 - Step 6: Final answer
x = 187,253.31
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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.