Finding the Fourth Proportional to 313,692.32, 432,799.80 and 177,704.48
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Solution
The fourth proportional to 313,692.32, 432,799.80 and 177,704.48 is: 245,178.02
Step by Step Solution
- Step 1: Write the proportion equation
313,692.32 : 432,799.80 = 177,704.48 : x - Step 2: Convert to fraction form
313,692.32/432,799.80 = 177,704.48/x - Step 3: Cross multiply
313,692.32x = 432,799.80 × 177,704.48 - Step 4: Simplify right side
313,692.32x = 76,910,463,403.10 - Step 5: Solve for x
x = 76,910,463,403.10/313,692.32 - Step 6: Final answer
x = 245,178.02
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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.