Finding the Fourth Proportional to 208,887.70, 313,331.55 and 167,415.70
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Solution
The fourth proportional to 208,887.70, 313,331.55 and 167,415.70 is: 251,123.55
Step by Step Solution
- Step 1: Write the proportion equation
208,887.70 : 313,331.55 = 167,415.70 : x - Step 2: Convert to fraction form
208,887.70/313,331.55 = 167,415.70/x - Step 3: Cross multiply
208,887.70x = 313,331.55 × 167,415.70 - Step 4: Simplify right side
208,887.70x = 52,456,620,775.34 - Step 5: Solve for x
x = 52,456,620,775.34/208,887.70 - Step 6: Final answer
x = 251,123.55
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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.