Finding the Fourth Proportional to 204,752.74, 307,129.14 and 80,006.26
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Solution
The fourth proportional to 204,752.74, 307,129.14 and 80,006.26 is: 120,009.40
Step by Step Solution
- Step 1: Write the proportion equation
204,752.74 : 307,129.14 = 80,006.26 : x - Step 2: Convert to fraction form
204,752.74/307,129.14 = 80,006.26/x - Step 3: Cross multiply
204,752.74x = 307,129.14 × 80,006.26 - Step 4: Simplify right side
204,752.74x = 24,572,253,828.42 - Step 5: Solve for x
x = 24,572,253,828.42/204,752.74 - Step 6: Final answer
x = 120,009.40
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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.