Finding the Fourth Proportional to 418,845.06, 628,163.80 and 119,328.24
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Solution
The fourth proportional to 418,845.06, 628,163.80 and 119,328.24 is: 178,962.78
Step by Step Solution
- Step 1: Write the proportion equation
418,845.06 : 628,163.80 = 119,328.24 : x - Step 2: Convert to fraction form
418,845.06/628,163.80 = 119,328.24/x - Step 3: Cross multiply
418,845.06x = 628,163.80 × 119,328.24 - Step 4: Simplify right side
418,845.06x = 74,957,676,948.25 - Step 5: Solve for x
x = 74,957,676,948.25/418,845.06 - Step 6: Final answer
x = 178,962.78
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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.