Finding the Fourth Proportional to 201,386.34, 277,912.75 and 115,373.17
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Solution
The fourth proportional to 201,386.34, 277,912.75 and 115,373.17 is: 159,214.75
Step by Step Solution
- Step 1: Write the proportion equation
201,386.34 : 277,912.75 = 115,373.17 : x - Step 2: Convert to fraction form
201,386.34/277,912.75 = 115,373.17/x - Step 3: Cross multiply
201,386.34x = 277,912.75 × 115,373.17 - Step 4: Simplify right side
201,386.34x = 32,063,674,950.92 - Step 5: Solve for x
x = 32,063,674,950.92/201,386.34 - Step 6: Final answer
x = 159,214.75
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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.