Finding the Fourth Proportional to 308,551.95, 462,861.95 and 98,140.68
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Solution
The fourth proportional to 308,551.95, 462,861.95 and 98,140.68 is: 147,221.84
Step by Step Solution
- Step 1: Write the proportion equation
308,551.95 : 462,861.95 = 98,140.68 : x - Step 2: Convert to fraction form
308,551.95/462,861.95 = 98,140.68/x - Step 3: Cross multiply
308,551.95x = 462,861.95 × 98,140.68 - Step 4: Simplify right side
308,551.95x = 45,425,586,028.42 - Step 5: Solve for x
x = 45,425,586,028.42/308,551.95 - Step 6: Final answer
x = 147,221.84
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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.