Finding the Fourth Proportional to 456,452.99, 684,741.79 and 190,151.23
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Solution
The fourth proportional to 456,452.99, 684,741.79 and 190,151.23 is: 285,252.80
Step by Step Solution
- Step 1: Write the proportion equation
456,452.99 : 684,741.79 = 190,151.23 : x - Step 2: Convert to fraction form
456,452.99/684,741.79 = 190,151.23/x - Step 3: Cross multiply
456,452.99x = 684,741.79 × 190,151.23 - Step 4: Simplify right side
456,452.99x = 130,204,492,245.58 - Step 5: Solve for x
x = 130,204,492,245.58/456,452.99 - Step 6: Final answer
x = 285,252.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.