Finding the Fourth Proportional to 135,447.34, 203,190.04 and 56,543.62
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Solution
The fourth proportional to 135,447.34, 203,190.04 and 56,543.62 is: 84,823.37
Step by Step Solution
- Step 1: Write the proportion equation
135,447.34 : 203,190.04 = 56,543.62 : x - Step 2: Convert to fraction form
135,447.34/203,190.04 = 56,543.62/x - Step 3: Cross multiply
135,447.34x = 203,190.04 × 56,543.62 - Step 4: Simplify right side
135,447.34x = 11,489,100,409.54 - Step 5: Solve for x
x = 11,489,100,409.54/135,447.34 - Step 6: Final answer
x = 84,823.37
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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.