Finding the Fourth Proportional to 395,557.74, 545,872.28 and 214,269.66
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Solution
The fourth proportional to 395,557.74, 545,872.28 and 214,269.66 is: 295,693.54
Step by Step Solution
- Step 1: Write the proportion equation
395,557.74 : 545,872.28 = 214,269.66 : x - Step 2: Convert to fraction form
395,557.74/545,872.28 = 214,269.66/x - Step 3: Cross multiply
395,557.74x = 545,872.28 × 214,269.66 - Step 4: Simplify right side
395,557.74x = 116,963,866,767.68 - Step 5: Solve for x
x = 116,963,866,767.68/395,557.74 - Step 6: Final answer
x = 295,693.54
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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.