Finding the Fourth Proportional to 265,575.85, 398,425.94 and 105,660.84
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Solution
The fourth proportional to 265,575.85, 398,425.94 and 105,660.84 is: 158,515.99
Step by Step Solution
- Step 1: Write the proportion equation
265,575.85 : 398,425.94 = 105,660.84 : x - Step 2: Convert to fraction form
265,575.85/398,425.94 = 105,660.84/x - Step 3: Cross multiply
265,575.85x = 398,425.94 × 105,660.84 - Step 4: Simplify right side
265,575.85x = 42,098,019,498.19 - Step 5: Solve for x
x = 42,098,019,498.19/265,575.85 - Step 6: Final answer
x = 158,515.99
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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.