Finding the Fourth Proportional to 178,394.80, 267,592.20 and 73,289.20
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Solution
The fourth proportional to 178,394.80, 267,592.20 and 73,289.20 is: 109,933.80
Step by Step Solution
- Step 1: Write the proportion equation
178,394.80 : 267,592.20 = 73,289.20 : x - Step 2: Convert to fraction form
178,394.80/267,592.20 = 73,289.20/x - Step 3: Cross multiply
178,394.80x = 267,592.20 × 73,289.20 - Step 4: Simplify right side
178,394.80x = 19,611,618,264.24 - Step 5: Solve for x
x = 19,611,618,264.24/178,394.80 - Step 6: Final answer
x = 109,933.80
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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.