Finding the Fourth Proportional to 201,764.07, 278,423.74 and 115,718.63
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Solution
The fourth proportional to 201,764.07, 278,423.74 and 115,718.63 is: 159,685.59
Step by Step Solution
- Step 1: Write the proportion equation
201,764.07 : 278,423.74 = 115,718.63 : x - Step 2: Convert to fraction form
201,764.07/278,423.74 = 115,718.63/x - Step 3: Cross multiply
201,764.07x = 278,423.74 × 115,718.63 - Step 4: Simplify right side
201,764.07x = 32,218,813,752.28 - Step 5: Solve for x
x = 32,218,813,752.28/201,764.07 - Step 6: Final answer
x = 159,685.59
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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.