Finding the Fourth Proportional to 396,334.80, 594,064.80 and 218,969.10
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Solution
The fourth proportional to 396,334.80, 594,064.80 and 218,969.10 is: 328,211.99
Step by Step Solution
- Step 1: Write the proportion equation
396,334.80 : 594,064.80 = 218,969.10 : x - Step 2: Convert to fraction form
396,334.80/594,064.80 = 218,969.10/x - Step 3: Cross multiply
396,334.80x = 594,064.80 × 218,969.10 - Step 4: Simplify right side
396,334.80x = 130,081,834,597.68 - Step 5: Solve for x
x = 130,081,834,597.68/396,334.80 - Step 6: Final answer
x = 328,211.99
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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.