Finding the Fourth Proportional to 395,328.53, 545,546.72 and 214,038.99
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Solution
The fourth proportional to 395,328.53, 545,546.72 and 214,038.99 is: 295,370.21
Step by Step Solution
- Step 1: Write the proportion equation
395,328.53 : 545,546.72 = 214,038.99 : x - Step 2: Convert to fraction form
395,328.53/545,546.72 = 214,038.99/x - Step 3: Cross multiply
395,328.53x = 545,546.72 × 214,038.99 - Step 4: Simplify right side
395,328.53x = 116,768,267,876.42 - Step 5: Solve for x
x = 116,768,267,876.42/395,328.53 - Step 6: Final answer
x = 295,370.21
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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.