Finding the Fourth Proportional to 204,699.13, 306,923.62 and 98,115.70
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Solution
The fourth proportional to 204,699.13, 306,923.62 and 98,115.70 is: 147,113.59
Step by Step Solution
- Step 1: Write the proportion equation
204,699.13 : 306,923.62 = 98,115.70 : x - Step 2: Convert to fraction form
204,699.13/306,923.62 = 98,115.70/x - Step 3: Cross multiply
204,699.13x = 306,923.62 × 98,115.70 - Step 4: Simplify right side
204,699.13x = 30,114,023,797.64 - Step 5: Solve for x
x = 30,114,023,797.64/204,699.13 - Step 6: Final answer
x = 147,113.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.