Finding the Fourth Proportional to 135,308.28, 202,906.80 and 40,504.98
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Solution
The fourth proportional to 135,308.28, 202,906.80 and 40,504.98 is: 60,740.82
Step by Step Solution
- Step 1: Write the proportion equation
135,308.28 : 202,906.80 = 40,504.98 : x - Step 2: Convert to fraction form
135,308.28/202,906.80 = 40,504.98/x - Step 3: Cross multiply
135,308.28x = 202,906.80 × 40,504.98 - Step 4: Simplify right side
135,308.28x = 8,218,735,875.86 - Step 5: Solve for x
x = 8,218,735,875.86/135,308.28 - Step 6: Final answer
x = 60,740.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.