Finding the Fourth Proportional to 272,847.19, 409,267.90 and 106,633.75
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Solution
The fourth proportional to 272,847.19, 409,267.90 and 106,633.75 is: 159,949.50
Step by Step Solution
- Step 1: Write the proportion equation
272,847.19 : 409,267.90 = 106,633.75 : x - Step 2: Convert to fraction form
272,847.19/409,267.90 = 106,633.75/x - Step 3: Cross multiply
272,847.19x = 409,267.90 × 106,633.75 - Step 4: Simplify right side
272,847.19x = 43,641,770,931.63 - Step 5: Solve for x
x = 43,641,770,931.63/272,847.19 - Step 6: Final answer
x = 159,949.50
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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.