Finding the Fourth Proportional to 395,285.94, 545,498.88 and 214,001.70
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Solution
The fourth proportional to 395,285.94, 545,498.88 and 214,001.70 is: 295,324.66
Step by Step Solution
- Step 1: Write the proportion equation
395,285.94 : 545,498.88 = 214,001.70 : x - Step 2: Convert to fraction form
395,285.94/545,498.88 = 214,001.70/x - Step 3: Cross multiply
395,285.94x = 545,498.88 × 214,001.70 - Step 4: Simplify right side
395,285.94x = 116,737,687,668.10 - Step 5: Solve for x
x = 116,737,687,668.10/395,285.94 - Step 6: Final answer
x = 295,324.66
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1.5x scale
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.