Finding the Fourth Proportional to 120,202.08, 180,328.86 and 35,968.74
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Solution
The fourth proportional to 120,202.08, 180,328.86 and 35,968.74 is: 53,960.81
Step by Step Solution
- Step 1: Write the proportion equation
120,202.08 : 180,328.86 = 35,968.74 : x - Step 2: Convert to fraction form
120,202.08/180,328.86 = 35,968.74/x - Step 3: Cross multiply
120,202.08x = 180,328.86 × 35,968.74 - Step 4: Simplify right side
120,202.08x = 6,486,201,879.84 - Step 5: Solve for x
x = 6,486,201,879.84/120,202.08 - Step 6: Final answer
x = 53,960.81
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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.