Finding the Fourth Proportional to 140,553.30, 210,927.15 and 101,138.70
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Solution
The fourth proportional to 140,553.30, 210,927.15 and 101,138.70 is: 151,777.99
Step by Step Solution
- Step 1: Write the proportion equation
140,553.30 : 210,927.15 = 101,138.70 : x - Step 2: Convert to fraction form
140,553.30/210,927.15 = 101,138.70/x - Step 3: Cross multiply
140,553.30x = 210,927.15 × 101,138.70 - Step 4: Simplify right side
140,553.30x = 21,332,897,745.71 - Step 5: Solve for x
x = 21,332,897,745.71/140,553.30 - Step 6: Final answer
x = 151,777.99
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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.