Finding the Fourth Proportional to 103,461.93, 155,199.84 and 40,277.97
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Solution
The fourth proportional to 103,461.93, 155,199.84 and 40,277.97 is: 60,419.66
Step by Step Solution
- Step 1: Write the proportion equation
103,461.93 : 155,199.84 = 40,277.97 : x - Step 2: Convert to fraction form
103,461.93/155,199.84 = 40,277.97/x - Step 3: Cross multiply
103,461.93x = 155,199.84 × 40,277.97 - Step 4: Simplify right side
103,461.93x = 6,251,134,499.52 - Step 5: Solve for x
x = 6,251,134,499.52/103,461.93 - Step 6: Final answer
x = 60,419.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.