Finding the Fourth Proportional to 306,903.76, 459,878.16 and 117,260.68
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Solution
The fourth proportional to 306,903.76, 459,878.16 and 117,260.68 is: 175,708.59
Step by Step Solution
- Step 1: Write the proportion equation
306,903.76 : 459,878.16 = 117,260.68 : x - Step 2: Convert to fraction form
306,903.76/459,878.16 = 117,260.68/x - Step 3: Cross multiply
306,903.76x = 459,878.16 × 117,260.68 - Step 4: Simplify right side
306,903.76x = 53,925,625,758.75 - Step 5: Solve for x
x = 53,925,625,758.75/306,903.76 - Step 6: Final answer
x = 175,708.59
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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.