Finding the Fourth Proportional to 542,114.60, 813,110.36 and 142,786.62
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Solution
The fourth proportional to 542,114.60, 813,110.36 and 142,786.62 is: 214,163.72
Step by Step Solution
- Step 1: Write the proportion equation
542,114.60 : 813,110.36 = 142,786.62 : x - Step 2: Convert to fraction form
542,114.60/813,110.36 = 142,786.62/x - Step 3: Cross multiply
542,114.60x = 813,110.36 × 142,786.62 - Step 4: Simplify right side
542,114.60x = 116,101,279,991.38 - Step 5: Solve for x
x = 116,101,279,991.38/542,114.60 - Step 6: Final answer
x = 214,163.72
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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.