Finding the Fourth Proportional to 135,867.64, 203,735.89 and 56,960.68
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Solution
The fourth proportional to 135,867.64, 203,735.89 and 56,960.68 is: 85,413.53
Step by Step Solution
- Step 1: Write the proportion equation
135,867.64 : 203,735.89 = 56,960.68 : x - Step 2: Convert to fraction form
135,867.64/203,735.89 = 56,960.68/x - Step 3: Cross multiply
135,867.64x = 203,735.89 × 56,960.68 - Step 4: Simplify right side
135,867.64x = 11,604,934,834.81 - Step 5: Solve for x
x = 11,604,934,834.81/135,867.64 - Step 6: Final answer
x = 85,413.53
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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.