Finding the Fourth Proportional to 276,532.14, 381,642.93 and 169,173.53
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Solution
The fourth proportional to 276,532.14, 381,642.93 and 169,173.53 is: 233,476.95
Step by Step Solution
- Step 1: Write the proportion equation
276,532.14 : 381,642.93 = 169,173.53 : x - Step 2: Convert to fraction form
276,532.14/381,642.93 = 169,173.53/x - Step 3: Cross multiply
276,532.14x = 381,642.93 × 169,173.53 - Step 4: Simplify right side
276,532.14x = 64,563,879,759.43 - Step 5: Solve for x
x = 64,563,879,759.43/276,532.14 - Step 6: Final answer
x = 233,476.95
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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.