Finding the Fourth Proportional to 274,876.16, 411,925.44 and 116,945.60
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Solution
The fourth proportional to 274,876.16, 411,925.44 and 116,945.60 is: 175,252.99
Step by Step Solution
- Step 1: Write the proportion equation
274,876.16 : 411,925.44 = 116,945.60 : x - Step 2: Convert to fraction form
274,876.16/411,925.44 = 116,945.60/x - Step 3: Cross multiply
274,876.16x = 411,925.44 × 116,945.60 - Step 4: Simplify right side
274,876.16x = 48,172,867,736.06 - Step 5: Solve for x
x = 48,172,867,736.06/274,876.16 - Step 6: Final answer
x = 175,252.99
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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.