Finding the Fourth Proportional to 396,424.41, 594,457.98 and 236,574.15
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Solution
The fourth proportional to 396,424.41, 594,457.98 and 236,574.15 is: 354,754.62
Step by Step Solution
- Step 1: Write the proportion equation
396,424.41 : 594,457.98 = 236,574.15 : x - Step 2: Convert to fraction form
396,424.41/594,457.98 = 236,574.15/x - Step 3: Cross multiply
396,424.41x = 594,457.98 × 236,574.15 - Step 4: Simplify right side
396,424.41x = 140,633,391,329.22 - Step 5: Solve for x
x = 140,633,391,329.22/396,424.41 - Step 6: Final answer
x = 354,754.62
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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.