Finding the Fourth Proportional to 320,872.47, 442,850.70 and 184,880.14
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Solution
The fourth proportional to 320,872.47, 442,850.70 and 184,880.14 is: 255,161.50
Step by Step Solution
- Step 1: Write the proportion equation
320,872.47 : 442,850.70 = 184,880.14 : x - Step 2: Convert to fraction form
320,872.47/442,850.70 = 184,880.14/x - Step 3: Cross multiply
320,872.47x = 442,850.70 × 184,880.14 - Step 4: Simplify right side
320,872.47x = 81,874,299,415.10 - Step 5: Solve for x
x = 81,874,299,415.10/320,872.47 - Step 6: Final answer
x = 255,161.50
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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.