Finding the Fourth Proportional to 396,284.37, 594,274.33 and 143,490.07
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Solution
The fourth proportional to 396,284.37, 594,274.33 and 143,490.07 is: 215,179.99
Step by Step Solution
- Step 1: Write the proportion equation
396,284.37 : 594,274.33 = 143,490.07 : x - Step 2: Convert to fraction form
396,284.37/594,274.33 = 143,490.07/x - Step 3: Cross multiply
396,284.37x = 594,274.33 × 143,490.07 - Step 4: Simplify right side
396,284.37x = 85,272,465,210.90 - Step 5: Solve for x
x = 85,272,465,210.90/396,284.37 - Step 6: Final answer
x = 215,179.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.