Finding the Fourth Proportional to 200,731.68, 276,989.76 and 115,876.08
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Solution
The fourth proportional to 200,731.68, 276,989.76 and 115,876.08 is: 159,897.47
Step by Step Solution
- Step 1: Write the proportion equation
200,731.68 : 276,989.76 = 115,876.08 : x - Step 2: Convert to fraction form
200,731.68/276,989.76 = 115,876.08/x - Step 3: Cross multiply
200,731.68x = 276,989.76 × 115,876.08 - Step 4: Simplify right side
200,731.68x = 32,096,487,588.94 - Step 5: Solve for x
x = 32,096,487,588.94/200,731.68 - Step 6: Final answer
x = 159,897.47
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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.