Finding the Fourth Proportional to 538,879.08, 743,658.14 and 297,170.02
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Solution
The fourth proportional to 538,879.08, 743,658.14 and 297,170.02 is: 410,097.39
Step by Step Solution
- Step 1: Write the proportion equation
538,879.08 : 743,658.14 = 297,170.02 : x - Step 2: Convert to fraction form
538,879.08/743,658.14 = 297,170.02/x - Step 3: Cross multiply
538,879.08x = 743,658.14 × 297,170.02 - Step 4: Simplify right side
538,879.08x = 220,992,900,990.59 - Step 5: Solve for x
x = 220,992,900,990.59/538,879.08 - Step 6: Final answer
x = 410,097.39
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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.