Finding the Fourth Proportional to 295,681.68, 408,040.74 and 161,545.68
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Solution
The fourth proportional to 295,681.68, 408,040.74 and 161,545.68 is: 222,933.05
Step by Step Solution
- Step 1: Write the proportion equation
295,681.68 : 408,040.74 = 161,545.68 : x - Step 2: Convert to fraction form
295,681.68/408,040.74 = 161,545.68/x - Step 3: Cross multiply
295,681.68x = 408,040.74 × 161,545.68 - Step 4: Simplify right side
295,681.68x = 65,917,218,811.00 - Step 5: Solve for x
x = 65,917,218,811.00/295,681.68 - Step 6: Final answer
x = 222,933.05
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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.