Finding the Fourth Proportional to 276,432.28, 414,484.80 and 107,755.69
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Solution
The fourth proportional to 276,432.28, 414,484.80 and 107,755.69 is: 161,569.75
Step by Step Solution
- Step 1: Write the proportion equation
276,432.28 : 414,484.80 = 107,755.69 : x - Step 2: Convert to fraction form
276,432.28/414,484.80 = 107,755.69/x - Step 3: Cross multiply
276,432.28x = 414,484.80 × 107,755.69 - Step 4: Simplify right side
276,432.28x = 44,663,095,618.51 - Step 5: Solve for x
x = 44,663,095,618.51/276,432.28 - Step 6: Final answer
x = 161,569.75
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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.