Finding the Fourth Proportional to 381,299.05, 525,974.07 and 237,809.98
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Solution
The fourth proportional to 381,299.05, 525,974.07 and 237,809.98 is: 328,041.42
Step by Step Solution
- Step 1: Write the proportion equation
381,299.05 : 525,974.07 = 237,809.98 : x - Step 2: Convert to fraction form
381,299.05/525,974.07 = 237,809.98/x - Step 3: Cross multiply
381,299.05x = 525,974.07 × 237,809.98 - Step 4: Simplify right side
381,299.05x = 125,081,883,067.22 - Step 5: Solve for x
x = 125,081,883,067.22/381,299.05 - Step 6: Final answer
x = 328,041.42
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1.5x scale
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.