Finding the Fourth Proportional to 436,835.51, 603,018.99 and 293,678.58
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Solution
The fourth proportional to 436,835.51, 603,018.99 and 293,678.58 is: 405,401.48
Step by Step Solution
- Step 1: Write the proportion equation
436,835.51 : 603,018.99 = 293,678.58 : x - Step 2: Convert to fraction form
436,835.51/603,018.99 = 293,678.58/x - Step 3: Cross multiply
436,835.51x = 603,018.99 × 293,678.58 - Step 4: Simplify right side
436,835.51x = 177,093,760,696.23 - Step 5: Solve for x
x = 177,093,760,696.23/436,835.51 - Step 6: Final answer
x = 405,401.48
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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.