Finding the Fourth Proportional to 419,351.65, 628,938.17 and 119,752.70
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Solution
The fourth proportional to 419,351.65, 628,938.17 and 119,752.70 is: 179,603.54
Step by Step Solution
- Step 1: Write the proportion equation
419,351.65 : 628,938.17 = 119,752.70 : x - Step 2: Convert to fraction form
419,351.65/628,938.17 = 119,752.70/x - Step 3: Cross multiply
419,351.65x = 628,938.17 × 119,752.70 - Step 4: Simplify right side
419,351.65x = 75,317,040,696.18 - Step 5: Solve for x
x = 75,317,040,696.18/419,351.65 - Step 6: Final answer
x = 179,603.54
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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.