Finding the Fourth Proportional to 134,664.86, 201,935.18 and 39,861.14
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Solution
The fourth proportional to 134,664.86, 201,935.18 and 39,861.14 is: 59,773.32
Step by Step Solution
- Step 1: Write the proportion equation
134,664.86 : 201,935.18 = 39,861.14 : x - Step 2: Convert to fraction form
134,664.86/201,935.18 = 39,861.14/x - Step 3: Cross multiply
134,664.86x = 201,935.18 × 39,861.14 - Step 4: Simplify right side
134,664.86x = 8,049,365,570.88 - Step 5: Solve for x
x = 8,049,365,570.88/134,664.86 - Step 6: Final answer
x = 59,773.32
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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.