Finding the Fourth Proportional to 436,805.45, 602,816.33 and 262,428.99
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Solution
The fourth proportional to 436,805.45, 602,816.33 and 262,428.99 is: 362,166.91
Step by Step Solution
- Step 1: Write the proportion equation
436,805.45 : 602,816.33 = 262,428.99 : x - Step 2: Convert to fraction form
436,805.45/602,816.33 = 262,428.99/x - Step 3: Cross multiply
436,805.45x = 602,816.33 × 262,428.99 - Step 4: Simplify right side
436,805.45x = 158,196,479,786.44 - Step 5: Solve for x
x = 158,196,479,786.44/436,805.45 - Step 6: Final answer
x = 362,166.91
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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.