Finding the Fourth Proportional to 204,670.08, 307,037.97 and 86,358.87
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Solution
The fourth proportional to 204,670.08, 307,037.97 and 86,358.87 is: 129,552.17
Step by Step Solution
- Step 1: Write the proportion equation
204,670.08 : 307,037.97 = 86,358.87 : x - Step 2: Convert to fraction form
204,670.08/307,037.97 = 86,358.87/x - Step 3: Cross multiply
204,670.08x = 307,037.97 × 86,358.87 - Step 4: Simplify right side
204,670.08x = 26,515,452,136.29 - Step 5: Solve for x
x = 26,515,452,136.29/204,670.08 - Step 6: Final answer
x = 129,552.17
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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.