Finding the Fourth Proportional to 145,850.08, 218,679.12 and 57,113.44
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Solution
The fourth proportional to 145,850.08, 218,679.12 and 57,113.44 is: 85,632.57
Step by Step Solution
- Step 1: Write the proportion equation
145,850.08 : 218,679.12 = 57,113.44 : x - Step 2: Convert to fraction form
145,850.08/218,679.12 = 57,113.44/x - Step 3: Cross multiply
145,850.08x = 218,679.12 × 57,113.44 - Step 4: Simplify right side
145,850.08x = 12,489,516,799.37 - Step 5: Solve for x
x = 12,489,516,799.37/145,850.08 - Step 6: Final answer
x = 85,632.57
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1.5x scale
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.