Finding the Fourth Proportional to 107,185.21, 160,794.21 and 28,305.59
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Solution
The fourth proportional to 107,185.21, 160,794.21 and 28,305.59 is: 42,462.71
Step by Step Solution
- Step 1: Write the proportion equation
107,185.21 : 160,794.21 = 28,305.59 : x - Step 2: Convert to fraction form
107,185.21/160,794.21 = 28,305.59/x - Step 3: Cross multiply
107,185.21x = 160,794.21 × 28,305.59 - Step 4: Simplify right side
107,185.21x = 4,551,374,284.81 - Step 5: Solve for x
x = 4,551,374,284.81/107,185.21 - Step 6: Final answer
x = 42,462.71
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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.