Finding the Fourth Proportional to 403,723.93, 605,133.28 and 163,782.09
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Solution
The fourth proportional to 403,723.93, 605,133.28 and 163,782.09 is: 245,489.52
Step by Step Solution
- Step 1: Write the proportion equation
403,723.93 : 605,133.28 = 163,782.09 : x - Step 2: Convert to fraction form
403,723.93/605,133.28 = 163,782.09/x - Step 3: Cross multiply
403,723.93x = 605,133.28 × 163,782.09 - Step 4: Simplify right side
403,723.93x = 99,109,993,326.96 - Step 5: Solve for x
x = 99,109,993,326.96/403,723.93 - Step 6: Final answer
x = 245,489.52
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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.