Finding the Fourth Proportional to 216,098.08, 324,135.40 and 66,338.39
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Solution
The fourth proportional to 216,098.08, 324,135.40 and 66,338.39 is: 99,503.99
Step by Step Solution
- Step 1: Write the proportion equation
216,098.08 : 324,135.40 = 66,338.39 : x - Step 2: Convert to fraction form
216,098.08/324,135.40 = 66,338.39/x - Step 3: Cross multiply
216,098.08x = 324,135.40 × 66,338.39 - Step 4: Simplify right side
216,098.08x = 21,502,620,246.31 - Step 5: Solve for x
x = 21,502,620,246.31/216,098.08 - Step 6: Final answer
x = 99,503.99
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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.