Finding the Fourth Proportional to 134,920.60, 202,390.62 and 51,814.60
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Solution
The fourth proportional to 134,920.60, 202,390.62 and 51,814.60 is: 77,725.63
Step by Step Solution
- Step 1: Write the proportion equation
134,920.60 : 202,390.62 = 51,814.60 : x - Step 2: Convert to fraction form
134,920.60/202,390.62 = 51,814.60/x - Step 3: Cross multiply
134,920.60x = 202,390.62 × 51,814.60 - Step 4: Simplify right side
134,920.60x = 10,486,789,019.05 - Step 5: Solve for x
x = 10,486,789,019.05/134,920.60 - Step 6: Final answer
x = 77,725.63
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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.