Finding the Fourth Proportional to 248,502.30, 342,937.08 and 135,324.96
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Solution
The fourth proportional to 248,502.30, 342,937.08 and 135,324.96 is: 186,750.57
Step by Step Solution
- Step 1: Write the proportion equation
248,502.30 : 342,937.08 = 135,324.96 : x - Step 2: Convert to fraction form
248,502.30/342,937.08 = 135,324.96/x - Step 3: Cross multiply
248,502.30x = 342,937.08 × 135,324.96 - Step 4: Simplify right side
248,502.30x = 46,407,946,633.52 - Step 5: Solve for x
x = 46,407,946,633.52/248,502.30 - Step 6: Final answer
x = 186,750.57
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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.