Finding the Fourth Proportional to 812,331.84, 1,218,692.16 and 251,366.40
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Solution
The fourth proportional to 812,331.84, 1,218,692.16 and 251,366.40 is: 377,109.75
Step by Step Solution
- Step 1: Write the proportion equation
812,331.84 : 1,218,692.16 = 251,366.40 : x - Step 2: Convert to fraction form
812,331.84/1,218,692.16 = 251,366.40/x - Step 3: Cross multiply
812,331.84x = 1,218,692.16 × 251,366.40 - Step 4: Simplify right side
812,331.84x = 306,338,260,967.42 - Step 5: Solve for x
x = 306,338,260,967.42/812,331.84 - Step 6: Final answer
x = 377,109.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.