Finding the Fourth Proportional to 276,764.12, 413,629.80 and 202,041.62
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Solution
The fourth proportional to 276,764.12, 413,629.80 and 202,041.62 is: 301,955.45
Step by Step Solution
- Step 1: Write the proportion equation
276,764.12 : 413,629.80 = 202,041.62 : x - Step 2: Convert to fraction form
276,764.12/413,629.80 = 202,041.62/x - Step 3: Cross multiply
276,764.12x = 413,629.80 × 202,041.62 - Step 4: Simplify right side
276,764.12x = 83,570,431,793.92 - Step 5: Solve for x
x = 83,570,431,793.92/276,764.12 - Step 6: Final answer
x = 301,955.45
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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.