Finding the Fourth Proportional to 248,123.15, 342,400.07 and 134,945.99
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Solution
The fourth proportional to 248,123.15, 342,400.07 and 134,945.99 is: 186,220.09
Step by Step Solution
- Step 1: Write the proportion equation
248,123.15 : 342,400.07 = 134,945.99 : x - Step 2: Convert to fraction form
248,123.15/342,400.07 = 134,945.99/x - Step 3: Cross multiply
248,123.15x = 342,400.07 × 134,945.99 - Step 4: Simplify right side
248,123.15x = 46,205,515,747.49 - Step 5: Solve for x
x = 46,205,515,747.49/248,123.15 - Step 6: Final answer
x = 186,220.09
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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.