Finding the Fourth Proportional to 372,706.60, 559,205.70 and 136,073.20
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Solution
The fourth proportional to 372,706.60, 559,205.70 and 136,073.20 is: 204,163.03
Step by Step Solution
- Step 1: Write the proportion equation
372,706.60 : 559,205.70 = 136,073.20 : x - Step 2: Convert to fraction form
372,706.60/559,205.70 = 136,073.20/x - Step 3: Cross multiply
372,706.60x = 559,205.70 × 136,073.20 - Step 4: Simplify right side
372,706.60x = 76,092,909,057.24 - Step 5: Solve for x
x = 76,092,909,057.24/372,706.60 - Step 6: Final answer
x = 204,163.03
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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.