Finding the Fourth Proportional to 379,977.38, 524,316.99 and 226,983.09
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Solution
The fourth proportional to 379,977.38, 524,316.99 and 226,983.09 is: 313,205.73
Step by Step Solution
- Step 1: Write the proportion equation
379,977.38 : 524,316.99 = 226,983.09 : x - Step 2: Convert to fraction form
379,977.38/524,316.99 = 226,983.09/x - Step 3: Cross multiply
379,977.38x = 524,316.99 × 226,983.09 - Step 4: Simplify right side
379,977.38x = 119,011,092,440.59 - Step 5: Solve for x
x = 119,011,092,440.59/379,977.38 - Step 6: Final answer
x = 313,205.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.