Finding the Fourth Proportional to 306,870.26, 460,311.14 and 85,260.02
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Solution
The fourth proportional to 306,870.26, 460,311.14 and 85,260.02 is: 127,891.63
Step by Step Solution
- Step 1: Write the proportion equation
306,870.26 : 460,311.14 = 85,260.02 : x - Step 2: Convert to fraction form
306,870.26/460,311.14 = 85,260.02/x - Step 3: Cross multiply
306,870.26x = 460,311.14 × 85,260.02 - Step 4: Simplify right side
306,870.26x = 39,246,137,002.62 - Step 5: Solve for x
x = 39,246,137,002.62/306,870.26 - Step 6: Final answer
x = 127,891.63
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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.