Finding the Fourth Proportional to 638,183.05, 880,692.62 and 351,703.13
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Solution
The fourth proportional to 638,183.05, 880,692.62 and 351,703.13 is: 485,350.33
Step by Step Solution
- Step 1: Write the proportion equation
638,183.05 : 880,692.62 = 351,703.13 : x - Step 2: Convert to fraction form
638,183.05/880,692.62 = 351,703.13/x - Step 3: Cross multiply
638,183.05x = 880,692.62 × 351,703.13 - Step 4: Simplify right side
638,183.05x = 309,742,349,263.39 - Step 5: Solve for x
x = 309,742,349,263.39/638,183.05 - Step 6: Final answer
x = 485,350.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.