Finding the Fourth Proportional to 421,460.94, 581,626.22 and 240,168.99
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Solution
The fourth proportional to 421,460.94, 581,626.22 and 240,168.99 is: 331,438.97
Step by Step Solution
- Step 1: Write the proportion equation
421,460.94 : 581,626.22 = 240,168.99 : x - Step 2: Convert to fraction form
421,460.94/581,626.22 = 240,168.99/x - Step 3: Cross multiply
421,460.94x = 581,626.22 × 240,168.99 - Step 4: Simplify right side
421,460.94x = 139,688,580,614.07 - Step 5: Solve for x
x = 139,688,580,614.07/421,460.94 - Step 6: Final answer
x = 331,438.97
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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.