Finding the Fourth Proportional to 248,358.92, 342,733.56 and 135,181.68
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Solution
The fourth proportional to 248,358.92, 342,733.56 and 135,181.68 is: 186,549.77
Step by Step Solution
- Step 1: Write the proportion equation
248,358.92 : 342,733.56 = 135,181.68 : x - Step 2: Convert to fraction form
248,358.92/342,733.56 = 135,181.68/x - Step 3: Cross multiply
248,358.92x = 342,733.56 × 135,181.68 - Step 4: Simplify right side
248,358.92x = 46,331,298,433.18 - Step 5: Solve for x
x = 46,331,298,433.18/248,358.92 - Step 6: Final answer
x = 186,549.77
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1.5x scale
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.