Finding the Fourth Proportional to 248,938.05, 343,565.37 and 152,121.99
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Solution
The fourth proportional to 248,938.05, 343,565.37 and 152,121.99 is: 209,947.20
Step by Step Solution
- Step 1: Write the proportion equation
248,938.05 : 343,565.37 = 152,121.99 : x - Step 2: Convert to fraction form
248,938.05/343,565.37 = 152,121.99/x - Step 3: Cross multiply
248,938.05x = 343,565.37 × 152,121.99 - Step 4: Simplify right side
248,938.05x = 52,263,847,779.49 - Step 5: Solve for x
x = 52,263,847,779.49/248,938.05 - Step 6: Final answer
x = 209,947.20
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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.