Finding the Fourth Proportional to 135,471.68, 203,199.70 and 40,699.83
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Solution
The fourth proportional to 135,471.68, 203,199.70 and 40,699.83 is: 61,047.40
Step by Step Solution
- Step 1: Write the proportion equation
135,471.68 : 203,199.70 = 40,699.83 : x - Step 2: Convert to fraction form
135,471.68/203,199.70 = 40,699.83/x - Step 3: Cross multiply
135,471.68x = 203,199.70 × 40,699.83 - Step 4: Simplify right side
135,471.68x = 8,270,193,246.05 - Step 5: Solve for x
x = 8,270,193,246.05/135,471.68 - Step 6: Final answer
x = 61,047.40
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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.