Finding the Fourth Proportional to 445,095.90, 667,579.05 and 129,519.90
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Solution
The fourth proportional to 445,095.90, 667,579.05 and 129,519.90 is: 194,260.99
Step by Step Solution
- Step 1: Write the proportion equation
445,095.90 : 667,579.05 = 129,519.90 : x - Step 2: Convert to fraction form
445,095.90/667,579.05 = 129,519.90/x - Step 3: Cross multiply
445,095.90x = 667,579.05 × 129,519.90 - Step 4: Simplify right side
445,095.90x = 86,464,771,798.10 - Step 5: Solve for x
x = 86,464,771,798.10/445,095.90 - Step 6: Final answer
x = 194,260.99
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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.