Finding the Fourth Proportional to 123,631.19, 185,398.26 and 43,652.09
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Solution
The fourth proportional to 123,631.19, 185,398.26 and 43,652.09 is: 65,461.00
Step by Step Solution
- Step 1: Write the proportion equation
123,631.19 : 185,398.26 = 43,652.09 : x - Step 2: Convert to fraction form
123,631.19/185,398.26 = 43,652.09/x - Step 3: Cross multiply
123,631.19x = 185,398.26 × 43,652.09 - Step 4: Simplify right side
123,631.19x = 8,093,021,831.16 - Step 5: Solve for x
x = 8,093,021,831.16/123,631.19 - Step 6: Final answer
x = 65,461.00
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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.