Finding the Fourth Proportional to 202,729.18, 304,143.36 and 142,874.44
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Solution
The fourth proportional to 202,729.18, 304,143.36 and 142,874.44 is: 214,346.61
Step by Step Solution
- Step 1: Write the proportion equation
202,729.18 : 304,143.36 = 142,874.44 : x - Step 2: Convert to fraction form
202,729.18/304,143.36 = 142,874.44/x - Step 3: Cross multiply
202,729.18x = 304,143.36 × 142,874.44 - Step 4: Simplify right side
202,729.18x = 43,454,312,239.72 - Step 5: Solve for x
x = 43,454,312,239.72/202,729.18 - Step 6: Final answer
x = 214,346.61
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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.