Finding the Fourth Proportional to 495,625.48, 743,438.81 and 135,799.41
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Solution
The fourth proportional to 495,625.48, 743,438.81 and 135,799.41 is: 203,699.28
Step by Step Solution
- Step 1: Write the proportion equation
495,625.48 : 743,438.81 = 135,799.41 : x - Step 2: Convert to fraction form
495,625.48/743,438.81 = 135,799.41/x - Step 3: Cross multiply
495,625.48x = 743,438.81 × 135,799.41 - Step 4: Simplify right side
495,625.48x = 100,958,551,769.10 - Step 5: Solve for x
x = 100,958,551,769.10/495,625.48 - Step 6: Final answer
x = 203,699.28
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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.