Finding the Fourth Proportional to 324,201.12, 486,301.68 and 166,328.88
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Solution
The fourth proportional to 324,201.12, 486,301.68 and 166,328.88 is: 249,493.32
Step by Step Solution
- Step 1: Write the proportion equation
324,201.12 : 486,301.68 = 166,328.88 : x - Step 2: Convert to fraction form
324,201.12/486,301.68 = 166,328.88/x - Step 3: Cross multiply
324,201.12x = 486,301.68 × 166,328.88 - Step 4: Simplify right side
324,201.12x = 80,886,013,776.52 - Step 5: Solve for x
x = 80,886,013,776.52/324,201.12 - Step 6: Final answer
x = 249,493.32
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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.