Finding the Fourth Proportional to 513,135.33, 708,105.86 and 283,678.02
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Solution
The fourth proportional to 513,135.33, 708,105.86 and 283,678.02 is: 391,464.12
Step by Step Solution
- Step 1: Write the proportion equation
513,135.33 : 708,105.86 = 283,678.02 : x - Step 2: Convert to fraction form
513,135.33/708,105.86 = 283,678.02/x - Step 3: Cross multiply
513,135.33x = 708,105.86 × 283,678.02 - Step 4: Simplify right side
513,135.33x = 200,874,067,960.60 - Step 5: Solve for x
x = 200,874,067,960.60/513,135.33 - Step 6: Final answer
x = 391,464.12
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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.