Finding the Fourth Proportional to 201,506.04, 278,080.65 and 115,463.31
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Solution
The fourth proportional to 201,506.04, 278,080.65 and 115,463.31 is: 159,340.69
Step by Step Solution
- Step 1: Write the proportion equation
201,506.04 : 278,080.65 = 115,463.31 : x - Step 2: Convert to fraction form
201,506.04/278,080.65 = 115,463.31/x - Step 3: Cross multiply
201,506.04x = 278,080.65 × 115,463.31 - Step 4: Simplify right side
201,506.04x = 32,108,112,295.95 - Step 5: Solve for x
x = 32,108,112,295.95/201,506.04 - Step 6: Final answer
x = 159,340.69
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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.