Finding the Fourth Proportional to 306,908.76, 459,885.66 and 117,265.68
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Solution
The fourth proportional to 306,908.76, 459,885.66 and 117,265.68 is: 175,716.08
Step by Step Solution
- Step 1: Write the proportion equation
306,908.76 : 459,885.66 = 117,265.68 : x - Step 2: Convert to fraction form
306,908.76/459,885.66 = 117,265.68/x - Step 3: Cross multiply
306,908.76x = 459,885.66 × 117,265.68 - Step 4: Simplify right side
306,908.76x = 53,928,804,642.15 - Step 5: Solve for x
x = 53,928,804,642.15/306,908.76 - Step 6: Final answer
x = 175,716.08
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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.