Finding the Fourth Proportional to 453,893.99, 680,938.86 and 226,313.69
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Solution
The fourth proportional to 453,893.99, 680,938.86 and 226,313.69 is: 339,519.34
Step by Step Solution
- Step 1: Write the proportion equation
453,893.99 : 680,938.86 = 226,313.69 : x - Step 2: Convert to fraction form
453,893.99/680,938.86 = 226,313.69/x - Step 3: Cross multiply
453,893.99x = 680,938.86 × 226,313.69 - Step 4: Simplify right side
453,893.99x = 154,105,786,070.99 - Step 5: Solve for x
x = 154,105,786,070.99/453,893.99 - Step 6: Final answer
x = 339,519.34
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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.