Finding the Fourth Proportional to 395,736.13, 546,089.95 and 252,480.80
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Solution
The fourth proportional to 395,736.13, 546,089.95 and 252,480.80 is: 348,406.97
Step by Step Solution
- Step 1: Write the proportion equation
395,736.13 : 546,089.95 = 252,480.80 : x - Step 2: Convert to fraction form
395,736.13/546,089.95 = 252,480.80/x - Step 3: Cross multiply
395,736.13x = 546,089.95 × 252,480.80 - Step 4: Simplify right side
395,736.13x = 137,877,226,057.03 - Step 5: Solve for x
x = 137,877,226,057.03/395,736.13 - Step 6: Final answer
x = 348,406.97
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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.