Finding the Fourth Proportional to 299,143.69, 448,719.44 and 99,464.09
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Solution
The fourth proportional to 299,143.69, 448,719.44 and 99,464.09 is: 149,197.43
Step by Step Solution
- Step 1: Write the proportion equation
299,143.69 : 448,719.44 = 99,464.09 : x - Step 2: Convert to fraction form
299,143.69/448,719.44 = 99,464.09/x - Step 3: Cross multiply
299,143.69x = 448,719.44 × 99,464.09 - Step 4: Simplify right side
299,143.69x = 44,631,468,023.99 - Step 5: Solve for x
x = 44,631,468,023.99/299,143.69 - Step 6: Final answer
x = 149,197.43
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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.