Finding the Fourth Proportional to 274,034.08, 411,092.12 and 84,478.68
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Solution
The fourth proportional to 274,034.08, 411,092.12 and 84,478.68 is: 126,730.66
Step by Step Solution
- Step 1: Write the proportion equation
274,034.08 : 411,092.12 = 84,478.68 : x - Step 2: Convert to fraction form
274,034.08/411,092.12 = 84,478.68/x - Step 3: Cross multiply
274,034.08x = 411,092.12 × 84,478.68 - Step 4: Simplify right side
274,034.08x = 34,728,519,656.00 - Step 5: Solve for x
x = 34,728,519,656.00/274,034.08 - Step 6: Final answer
x = 126,730.66
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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.