Finding the Fourth Proportional to 511,434.09, 767,123.48 and 156,448.14
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Solution
The fourth proportional to 511,434.09, 767,123.48 and 156,448.14 is: 234,663.75
Step by Step Solution
- Step 1: Write the proportion equation
511,434.09 : 767,123.48 = 156,448.14 : x - Step 2: Convert to fraction form
511,434.09/767,123.48 = 156,448.14/x - Step 3: Cross multiply
511,434.09x = 767,123.48 × 156,448.14 - Step 4: Simplify right side
511,434.09x = 120,015,040,814.09 - Step 5: Solve for x
x = 120,015,040,814.09/511,434.09 - Step 6: Final answer
x = 234,663.75
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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.