Finding the Fourth Proportional to 216,572.61, 324,914.26 and 83,417.12
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Solution
The fourth proportional to 216,572.61, 324,914.26 and 83,417.12 is: 125,146.99
Step by Step Solution
- Step 1: Write the proportion equation
216,572.61 : 324,914.26 = 83,417.12 : x - Step 2: Convert to fraction form
216,572.61/324,914.26 = 83,417.12/x - Step 3: Cross multiply
216,572.61x = 324,914.26 × 83,417.12 - Step 4: Simplify right side
216,572.61x = 27,103,410,191.56 - Step 5: Solve for x
x = 27,103,410,191.56/216,572.61 - Step 6: Final answer
x = 125,146.99
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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.