Finding the Fourth Proportional to 417,916.55, 576,724.91 and 226,929.99
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Solution
The fourth proportional to 417,916.55, 576,724.91 and 226,929.99 is: 313,163.43
Step by Step Solution
- Step 1: Write the proportion equation
417,916.55 : 576,724.91 = 226,929.99 : x - Step 2: Convert to fraction form
417,916.55/576,724.91 = 226,929.99/x - Step 3: Cross multiply
417,916.55x = 576,724.91 × 226,929.99 - Step 4: Simplify right side
417,916.55x = 130,876,176,924.40 - Step 5: Solve for x
x = 130,876,176,924.40/417,916.55 - Step 6: Final answer
x = 313,163.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.