Finding the Fourth Proportional to 312,930.66, 469,480.25 and 161,044.99
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Solution
The fourth proportional to 312,930.66, 469,480.25 and 161,044.99 is: 241,610.86
Step by Step Solution
- Step 1: Write the proportion equation
312,930.66 : 469,480.25 = 161,044.99 : x - Step 2: Convert to fraction form
312,930.66/469,480.25 = 161,044.99/x - Step 3: Cross multiply
312,930.66x = 469,480.25 × 161,044.99 - Step 4: Simplify right side
312,930.66x = 75,607,444,036.19 - Step 5: Solve for x
x = 75,607,444,036.19/312,930.66 - Step 6: Final answer
x = 241,610.86
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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.