Finding the Fourth Proportional to 205,319.22, 307,873.67 and 109,310.99
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Solution
The fourth proportional to 205,319.22, 307,873.67 and 109,310.99 is: 163,910.49
Step by Step Solution
- Step 1: Write the proportion equation
205,319.22 : 307,873.67 = 109,310.99 : x - Step 2: Convert to fraction form
205,319.22/307,873.67 = 109,310.99/x - Step 3: Cross multiply
205,319.22x = 307,873.67 × 109,310.99 - Step 4: Simplify right side
205,319.22x = 33,653,973,576.71 - Step 5: Solve for x
x = 33,653,973,576.71/205,319.22 - Step 6: Final answer
x = 163,910.49
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1.5x scale
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.