Finding the Fourth Proportional to 542,110.60, 813,104.36 and 142,782.62
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Solution
The fourth proportional to 542,110.60, 813,104.36 and 142,782.62 is: 214,157.72
Step by Step Solution
- Step 1: Write the proportion equation
542,110.60 : 813,104.36 = 142,782.62 : x - Step 2: Convert to fraction form
542,110.60/813,104.36 = 142,782.62/x - Step 3: Cross multiply
542,110.60x = 813,104.36 × 142,782.62 - Step 4: Simplify right side
542,110.60x = 116,097,170,854.22 - Step 5: Solve for x
x = 116,097,170,854.22/542,110.60 - Step 6: Final answer
x = 214,157.72
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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.