Finding the Fourth Proportional to 803,438.36, 1,205,165.84 and 204,399.80
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Solution
The fourth proportional to 803,438.36, 1,205,165.84 and 204,399.80 is: 306,601.81
Step by Step Solution
- Step 1: Write the proportion equation
803,438.36 : 1,205,165.84 = 204,399.80 : x - Step 2: Convert to fraction form
803,438.36/1,205,165.84 = 204,399.80/x - Step 3: Cross multiply
803,438.36x = 1,205,165.84 × 204,399.80 - Step 4: Simplify right side
803,438.36x = 246,335,656,662.83 - Step 5: Solve for x
x = 246,335,656,662.83/803,438.36 - Step 6: Final answer
x = 306,601.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.