Finding the Fourth Proportional to 104,279.81, 156,442.49 and 37,712.99
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Solution
The fourth proportional to 104,279.81, 156,442.49 and 37,712.99 is: 56,577.73
Step by Step Solution
- Step 1: Write the proportion equation
104,279.81 : 156,442.49 = 37,712.99 : x - Step 2: Convert to fraction form
104,279.81/156,442.49 = 37,712.99/x - Step 3: Cross multiply
104,279.81x = 156,442.49 × 37,712.99 - Step 4: Simplify right side
104,279.81x = 5,899,914,404.91 - Step 5: Solve for x
x = 5,899,914,404.91/104,279.81 - Step 6: Final answer
x = 56,577.73
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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.