Finding the Fourth Proportional to 201,950.42, 278,686.77 and 110,072.63
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Solution
The fourth proportional to 201,950.42, 278,686.77 and 110,072.63 is: 151,897.61
Step by Step Solution
- Step 1: Write the proportion equation
201,950.42 : 278,686.77 = 110,072.63 : x - Step 2: Convert to fraction form
201,950.42/278,686.77 = 110,072.63/x - Step 3: Cross multiply
201,950.42x = 278,686.77 × 110,072.63 - Step 4: Simplify right side
201,950.42x = 30,675,785,720.11 - Step 5: Solve for x
x = 30,675,785,720.11/201,950.42 - Step 6: Final answer
x = 151,897.61
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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.