Finding the Fourth Proportional to 138,549.66, 207,824.54 and 33,368.63
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Solution
The fourth proportional to 138,549.66, 207,824.54 and 33,368.63 is: 50,052.95
Step by Step Solution
- Step 1: Write the proportion equation
138,549.66 : 207,824.54 = 33,368.63 : x - Step 2: Convert to fraction form
138,549.66/207,824.54 = 33,368.63/x - Step 3: Cross multiply
138,549.66x = 207,824.54 × 33,368.63 - Step 4: Simplify right side
138,549.66x = 6,934,818,974.21 - Step 5: Solve for x
x = 6,934,818,974.21/138,549.66 - Step 6: Final answer
x = 50,052.95
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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.