Finding the Fourth Proportional to 424,610.81, 636,950.79 and 121,028.18
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Solution
The fourth proportional to 424,610.81, 636,950.79 and 121,028.18 is: 181,552.12
Step by Step Solution
- Step 1: Write the proportion equation
424,610.81 : 636,950.79 = 121,028.18 : x - Step 2: Convert to fraction form
424,610.81/636,950.79 = 121,028.18/x - Step 3: Cross multiply
424,610.81x = 636,950.79 × 121,028.18 - Step 4: Simplify right side
424,610.81x = 77,088,991,678.51 - Step 5: Solve for x
x = 77,088,991,678.51/424,610.81 - Step 6: Final answer
x = 181,552.12
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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.