Finding the Fourth Proportional to 300,341.58, 450,507.06 and 75,696.99
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Solution
The fourth proportional to 300,341.58, 450,507.06 and 75,696.99 is: 113,544.15
Step by Step Solution
- Step 1: Write the proportion equation
300,341.58 : 450,507.06 = 75,696.99 : x - Step 2: Convert to fraction form
300,341.58/450,507.06 = 75,696.99/x - Step 3: Cross multiply
300,341.58x = 450,507.06 × 75,696.99 - Step 4: Simplify right side
300,341.58x = 34,102,028,415.75 - Step 5: Solve for x
x = 34,102,028,415.75/300,341.58 - Step 6: Final answer
x = 113,544.15
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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.