Finding the Fourth Proportional to 275,518.53, 380,232.56 and 183,479.99
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Solution
The fourth proportional to 275,518.53, 380,232.56 and 183,479.99 is: 253,213.69
Step by Step Solution
- Step 1: Write the proportion equation
275,518.53 : 380,232.56 = 183,479.99 : x - Step 2: Convert to fraction form
275,518.53/380,232.56 = 183,479.99/x - Step 3: Cross multiply
275,518.53x = 380,232.56 × 183,479.99 - Step 4: Simplify right side
275,518.53x = 69,765,064,864.01 - Step 5: Solve for x
x = 69,765,064,864.01/275,518.53 - Step 6: Final answer
x = 253,213.69
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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.