Finding the Fourth Proportional to 287,296.02, 430,879.23 and 109,739.70
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Solution
The fourth proportional to 287,296.02, 430,879.23 and 109,739.70 is: 164,584.80
Step by Step Solution
- Step 1: Write the proportion equation
287,296.02 : 430,879.23 = 109,739.70 : x - Step 2: Convert to fraction form
287,296.02/430,879.23 = 109,739.70/x - Step 3: Cross multiply
287,296.02x = 430,879.23 × 109,739.70 - Step 4: Simplify right side
287,296.02x = 47,284,557,436.43 - Step 5: Solve for x
x = 47,284,557,436.43/287,296.02 - Step 6: Final answer
x = 164,584.80
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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.