Finding the Fourth Proportional to 403,618.40, 605,427.60 and 364,252.40
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Solution
The fourth proportional to 403,618.40, 605,427.60 and 364,252.40 is: 546,378.60
Step by Step Solution
- Step 1: Write the proportion equation
403,618.40 : 605,427.60 = 364,252.40 : x - Step 2: Convert to fraction form
403,618.40/605,427.60 = 364,252.40/x - Step 3: Cross multiply
403,618.40x = 605,427.60 × 364,252.40 - Step 4: Simplify right side
403,618.40x = 220,528,456,326.24 - Step 5: Solve for x
x = 220,528,456,326.24/403,618.40 - Step 6: Final answer
x = 546,378.60
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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.