Finding the Fourth Proportional to 383,913.09, 575,623.58 and 159,428.48
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Solution
The fourth proportional to 383,913.09, 575,623.58 and 159,428.48 is: 239,040.53
Step by Step Solution
- Step 1: Write the proportion equation
383,913.09 : 575,623.58 = 159,428.48 : x - Step 2: Convert to fraction form
383,913.09/575,623.58 = 159,428.48/x - Step 3: Cross multiply
383,913.09x = 575,623.58 × 159,428.48 - Step 4: Simplify right side
383,913.09x = 91,770,789,932.01 - Step 5: Solve for x
x = 91,770,789,932.01/383,913.09 - Step 6: Final answer
x = 239,040.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.