Finding the Fourth Proportional to 192,461.80, 288,692.70 and 157,469.80
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Solution
The fourth proportional to 192,461.80, 288,692.70 and 157,469.80 is: 236,204.70
Step by Step Solution
- Step 1: Write the proportion equation
192,461.80 : 288,692.70 = 157,469.80 : x - Step 2: Convert to fraction form
192,461.80/288,692.70 = 157,469.80/x - Step 3: Cross multiply
192,461.80x = 288,692.70 × 157,469.80 - Step 4: Simplify right side
192,461.80x = 45,460,381,730.46 - Step 5: Solve for x
x = 45,460,381,730.46/192,461.80 - Step 6: Final answer
x = 236,204.70
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1.5x scale
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.