Finding the Fourth Proportional to 274,519.78, 411,897.99 and 106,158.58
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Solution
The fourth proportional to 274,519.78, 411,897.99 and 106,158.58 is: 159,283.63
Step by Step Solution
- Step 1: Write the proportion equation
274,519.78 : 411,897.99 = 106,158.58 : x - Step 2: Convert to fraction form
274,519.78/411,897.99 = 106,158.58/x - Step 3: Cross multiply
274,519.78x = 411,897.99 × 106,158.58 - Step 4: Simplify right side
274,519.78x = 43,726,505,723.25 - Step 5: Solve for x
x = 43,726,505,723.25/274,519.78 - Step 6: Final answer
x = 159,283.63
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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.