Finding the Fourth Proportional to 123,577.79, 185,465.16 and 48,716.78
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Solution
The fourth proportional to 123,577.79, 185,465.16 and 48,716.78 is: 73,113.99
Step by Step Solution
- Step 1: Write the proportion equation
123,577.79 : 185,465.16 = 48,716.78 : x - Step 2: Convert to fraction form
123,577.79/185,465.16 = 48,716.78/x - Step 3: Cross multiply
123,577.79x = 185,465.16 × 48,716.78 - Step 4: Simplify right side
123,577.79x = 9,035,264,470.06 - Step 5: Solve for x
x = 9,035,264,470.06/123,577.79 - Step 6: Final answer
x = 73,113.99
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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.