Finding the Fourth Proportional to 265,518.35, 398,191.39 and 87,977.69
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Solution
The fourth proportional to 265,518.35, 398,191.39 and 87,977.69 is: 131,937.99
Step by Step Solution
- Step 1: Write the proportion equation
265,518.35 : 398,191.39 = 87,977.69 : x - Step 2: Convert to fraction form
265,518.35/398,191.39 = 87,977.69/x - Step 3: Cross multiply
265,518.35x = 398,191.39 × 87,977.69 - Step 4: Simplify right side
265,518.35x = 35,031,958,670.09 - Step 5: Solve for x
x = 35,031,958,670.09/265,518.35 - Step 6: Final answer
x = 131,937.99
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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.