Finding the Fourth Proportional to 248,865.93, 343,435.32 and 135,688.68
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Solution
The fourth proportional to 248,865.93, 343,435.32 and 135,688.68 is: 187,250.56
Step by Step Solution
- Step 1: Write the proportion equation
248,865.93 : 343,435.32 = 135,688.68 : x - Step 2: Convert to fraction form
248,865.93/343,435.32 = 135,688.68/x - Step 3: Cross multiply
248,865.93x = 343,435.32 × 135,688.68 - Step 4: Simplify right side
248,865.93x = 46,600,285,236.18 - Step 5: Solve for x
x = 46,600,285,236.18/248,865.93 - Step 6: Final answer
x = 187,250.56
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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.