Finding the Fourth Proportional to 354,492.14, 531,745.50 and 197,718.26
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Solution
The fourth proportional to 354,492.14, 531,745.50 and 197,718.26 is: 296,581.46
Step by Step Solution
- Step 1: Write the proportion equation
354,492.14 : 531,745.50 = 197,718.26 : x - Step 2: Convert to fraction form
354,492.14/531,745.50 = 197,718.26/x - Step 3: Cross multiply
354,492.14x = 531,745.50 × 197,718.26 - Step 4: Simplify right side
354,492.14x = 105,135,795,022.83 - Step 5: Solve for x
x = 105,135,795,022.83/354,492.14 - Step 6: Final answer
x = 296,581.46
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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.