Finding the Fourth Proportional to 300,343.30, 450,267.99 and 140,340.09
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Solution
The fourth proportional to 300,343.30, 450,267.99 and 140,340.09 is: 210,394.74
Step by Step Solution
- Step 1: Write the proportion equation
300,343.30 : 450,267.99 = 140,340.09 : x - Step 2: Convert to fraction form
300,343.30/450,267.99 = 140,340.09/x - Step 3: Cross multiply
300,343.30x = 450,267.99 × 140,340.09 - Step 4: Simplify right side
300,343.30x = 63,190,650,240.72 - Step 5: Solve for x
x = 63,190,650,240.72/300,343.30 - Step 6: Final answer
x = 210,394.74
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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.