Finding the Fourth Proportional to 286,684.67, 427,608.27 and 248,947.99
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Solution
The fourth proportional to 286,684.67, 427,608.27 and 248,947.99 is: 371,321.62
Step by Step Solution
- Step 1: Write the proportion equation
286,684.67 : 427,608.27 = 248,947.99 : x - Step 2: Convert to fraction form
286,684.67/427,608.27 = 248,947.99/x - Step 3: Cross multiply
286,684.67x = 427,608.27 × 248,947.99 - Step 4: Simplify right side
286,684.67x = 106,452,218,254.86 - Step 5: Solve for x
x = 106,452,218,254.86/286,684.67 - Step 6: Final answer
x = 371,321.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.