Finding the Fourth Proportional to 201,752.09, 278,407.23 and 115,706.63
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Solution
The fourth proportional to 201,752.09, 278,407.23 and 115,706.63 is: 159,669.04
Step by Step Solution
- Step 1: Write the proportion equation
201,752.09 : 278,407.23 = 115,706.63 : x - Step 2: Convert to fraction form
201,752.09/278,407.23 = 115,706.63/x - Step 3: Cross multiply
201,752.09x = 278,407.23 × 115,706.63 - Step 4: Simplify right side
201,752.09x = 32,213,562,350.93 - Step 5: Solve for x
x = 32,213,562,350.93/201,752.09 - Step 6: Final answer
x = 159,669.04
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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.