Finding the Fourth Proportional to 313,692.36, 470,540.12 and 77,035.12
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Solution
The fourth proportional to 313,692.36, 470,540.12 and 77,035.12 is: 115,553.07
Step by Step Solution
- Step 1: Write the proportion equation
313,692.36 : 470,540.12 = 77,035.12 : x - Step 2: Convert to fraction form
313,692.36/470,540.12 = 77,035.12/x - Step 3: Cross multiply
313,692.36x = 470,540.12 × 77,035.12 - Step 4: Simplify right side
313,692.36x = 36,248,114,609.01 - Step 5: Solve for x
x = 36,248,114,609.01/313,692.36 - Step 6: Final answer
x = 115,553.07
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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.