Finding the Fourth Proportional to 495,621.24, 743,432.44 and 135,795.14
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Solution
The fourth proportional to 495,621.24, 743,432.44 and 135,795.14 is: 203,692.87
Step by Step Solution
- Step 1: Write the proportion equation
495,621.24 : 743,432.44 = 135,795.14 : x - Step 2: Convert to fraction form
495,621.24/743,432.44 = 135,795.14/x - Step 3: Cross multiply
495,621.24x = 743,432.44 × 135,795.14 - Step 4: Simplify right side
495,621.24x = 100,954,512,270.34 - Step 5: Solve for x
x = 100,954,512,270.34/495,621.24 - Step 6: Final answer
x = 203,692.87
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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.