Finding the Fourth Proportional to 360,173.44, 540,283.20 and 138,557.44
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Solution
The fourth proportional to 360,173.44, 540,283.20 and 138,557.44 is: 207,845.02
Step by Step Solution
- Step 1: Write the proportion equation
360,173.44 : 540,283.20 = 138,557.44 : x - Step 2: Convert to fraction form
360,173.44/540,283.20 = 138,557.44/x - Step 3: Cross multiply
360,173.44x = 540,283.20 × 138,557.44 - Step 4: Simplify right side
360,173.44x = 74,860,257,067.01 - Step 5: Solve for x
x = 74,860,257,067.01/360,173.44 - Step 6: Final answer
x = 207,845.02
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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.