Finding the Fourth Proportional to 186,532.68, 257,415.16 and 101,649.76
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Solution
The fourth proportional to 186,532.68, 257,415.16 and 101,649.76 is: 140,276.70
Step by Step Solution
- Step 1: Write the proportion equation
186,532.68 : 257,415.16 = 101,649.76 : x - Step 2: Convert to fraction form
186,532.68/257,415.16 = 101,649.76/x - Step 3: Cross multiply
186,532.68x = 257,415.16 × 101,649.76 - Step 4: Simplify right side
186,532.68x = 26,166,189,234.36 - Step 5: Solve for x
x = 26,166,189,234.36/186,532.68 - Step 6: Final answer
x = 140,276.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.