Finding the Fourth Proportional to 403,539.60, 605,163.60 and 163,552.80
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Solution
The fourth proportional to 403,539.60, 605,163.60 and 163,552.80 is: 245,270.11
Step by Step Solution
- Step 1: Write the proportion equation
403,539.60 : 605,163.60 = 163,552.80 : x - Step 2: Convert to fraction form
403,539.60/605,163.60 = 163,552.80/x - Step 3: Cross multiply
403,539.60x = 605,163.60 × 163,552.80 - Step 4: Simplify right side
403,539.60x = 98,976,201,238.08 - Step 5: Solve for x
x = 98,976,201,238.08/403,539.60 - Step 6: Final answer
x = 245,270.11
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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.