Finding the Fourth Proportional to 274,915.62, 412,439.04 and 97,438.14
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Solution
The fourth proportional to 274,915.62, 412,439.04 and 97,438.14 is: 146,180.46
Step by Step Solution
- Step 1: Write the proportion equation
274,915.62 : 412,439.04 = 97,438.14 : x - Step 2: Convert to fraction form
274,915.62/412,439.04 = 97,438.14/x - Step 3: Cross multiply
274,915.62x = 412,439.04 × 97,438.14 - Step 4: Simplify right side
274,915.62x = 40,187,292,920.99 - Step 5: Solve for x
x = 40,187,292,920.99/274,915.62 - Step 6: Final answer
x = 146,180.46
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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.