Finding the Fourth Proportional to 225,916.56, 338,864.58 and 99,522.99
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Solution
The fourth proportional to 225,916.56, 338,864.58 and 99,522.99 is: 149,279.97
Step by Step Solution
- Step 1: Write the proportion equation
225,916.56 : 338,864.58 = 99,522.99 : x - Step 2: Convert to fraction form
225,916.56/338,864.58 = 99,522.99/x - Step 3: Cross multiply
225,916.56x = 338,864.58 × 99,522.99 - Step 4: Simplify right side
225,916.56x = 33,724,816,206.69 - Step 5: Solve for x
x = 33,724,816,206.69/225,916.56 - Step 6: Final answer
x = 149,279.97
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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.