Finding the Fourth Proportional to 370,601.33, 555,901.99 and 145,839.69
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Solution
The fourth proportional to 370,601.33, 555,901.99 and 145,839.69 is: 218,759.54
Step by Step Solution
- Step 1: Write the proportion equation
370,601.33 : 555,901.99 = 145,839.69 : x - Step 2: Convert to fraction form
370,601.33/555,901.99 = 145,839.69/x - Step 3: Cross multiply
370,601.33x = 555,901.99 × 145,839.69 - Step 4: Simplify right side
370,601.33x = 81,072,573,527.38 - Step 5: Solve for x
x = 81,072,573,527.38/370,601.33 - Step 6: Final answer
x = 218,759.54
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1.5x scale
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.