Finding the Fourth Proportional to 412,284.69, 568,701.39 and 272,582.79
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Solution
The fourth proportional to 412,284.69, 568,701.39 and 272,582.79 is: 375,997.98
Step by Step Solution
- Step 1: Write the proportion equation
412,284.69 : 568,701.39 = 272,582.79 : x - Step 2: Convert to fraction form
412,284.69/568,701.39 = 272,582.79/x - Step 3: Cross multiply
412,284.69x = 568,701.39 × 272,582.79 - Step 4: Simplify right side
412,284.69x = 155,018,211,563.08 - Step 5: Solve for x
x = 155,018,211,563.08/412,284.69 - Step 6: Final answer
x = 375,997.98
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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.