Finding the Fourth Proportional to 499,827.70, 749,734.17 and 120,745.18
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Solution
The fourth proportional to 499,827.70, 749,734.17 and 120,745.18 is: 181,115.99
Step by Step Solution
- Step 1: Write the proportion equation
499,827.70 : 749,734.17 = 120,745.18 : x - Step 2: Convert to fraction form
499,827.70/749,734.17 = 120,745.18/x - Step 3: Cross multiply
499,827.70x = 749,734.17 × 120,745.18 - Step 4: Simplify right side
499,827.70x = 90,526,787,308.80 - Step 5: Solve for x
x = 90,526,787,308.80/499,827.70 - Step 6: Final answer
x = 181,115.99
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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.