Finding the Fourth Proportional to 226,804.60, 340,146.12 and 68,990.68
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Solution
The fourth proportional to 226,804.60, 340,146.12 and 68,990.68 is: 103,467.53
Step by Step Solution
- Step 1: Write the proportion equation
226,804.60 : 340,146.12 = 68,990.68 : x - Step 2: Convert to fraction form
226,804.60/340,146.12 = 68,990.68/x - Step 3: Cross multiply
226,804.60x = 340,146.12 × 68,990.68 - Step 4: Simplify right side
226,804.60x = 23,466,912,118.16 - Step 5: Solve for x
x = 23,466,912,118.16/226,804.60 - Step 6: Final answer
x = 103,467.53
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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.