Finding the Fourth Proportional to 307,415.08, 461,170.30 and 129,922.84
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Solution
The fourth proportional to 307,415.08, 461,170.30 and 129,922.84 is: 194,904.41
Step by Step Solution
- Step 1: Write the proportion equation
307,415.08 : 461,170.30 = 129,922.84 : x - Step 2: Convert to fraction form
307,415.08/461,170.30 = 129,922.84/x - Step 3: Cross multiply
307,415.08x = 461,170.30 × 129,922.84 - Step 4: Simplify right side
307,415.08x = 59,916,555,099.65 - Step 5: Solve for x
x = 59,916,555,099.65/307,415.08 - Step 6: Final answer
x = 194,904.41
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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.