Finding the Fourth Proportional to 205,107.14, 307,797.99 and 71,988.02
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Solution
The fourth proportional to 205,107.14, 307,797.99 and 71,988.02 is: 108,030.21
Step by Step Solution
- Step 1: Write the proportion equation
205,107.14 : 307,797.99 = 71,988.02 : x - Step 2: Convert to fraction form
205,107.14/307,797.99 = 71,988.02/x - Step 3: Cross multiply
205,107.14x = 307,797.99 × 71,988.02 - Step 4: Simplify right side
205,107.14x = 22,157,767,860.08 - Step 5: Solve for x
x = 22,157,767,860.08/205,107.14 - Step 6: Final answer
x = 108,030.21
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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.