Finding the Fourth Proportional to 347,218.99, 520,774.76 and 133,955.80
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Solution
The fourth proportional to 347,218.99, 520,774.76 and 133,955.80 is: 200,912.97
Step by Step Solution
- Step 1: Write the proportion equation
347,218.99 : 520,774.76 = 133,955.80 : x - Step 2: Convert to fraction form
347,218.99/520,774.76 = 133,955.80/x - Step 3: Cross multiply
347,218.99x = 520,774.76 × 133,955.80 - Step 4: Simplify right side
347,218.99x = 69,760,799,999.06 - Step 5: Solve for x
x = 69,760,799,999.06/347,218.99 - Step 6: Final answer
x = 200,912.97
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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.