Finding the Fourth Proportional to 178,815.74, 246,765.69 and 98,240.58
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Solution
The fourth proportional to 178,815.74, 246,765.69 and 98,240.58 is: 135,571.99
Step by Step Solution
- Step 1: Write the proportion equation
178,815.74 : 246,765.69 = 98,240.58 : x - Step 2: Convert to fraction form
178,815.74/246,765.69 = 98,240.58/x - Step 3: Cross multiply
178,815.74x = 246,765.69 × 98,240.58 - Step 4: Simplify right side
178,815.74x = 24,242,404,509.70 - Step 5: Solve for x
x = 24,242,404,509.70/178,815.74 - Step 6: Final answer
x = 135,571.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.