Finding the Fourth Proportional to 210,118.11, 315,104.73 and 67,926.96
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Solution
The fourth proportional to 210,118.11, 315,104.73 and 67,926.96 is: 101,867.02
Step by Step Solution
- Step 1: Write the proportion equation
210,118.11 : 315,104.73 = 67,926.96 : x - Step 2: Convert to fraction form
210,118.11/315,104.73 = 67,926.96/x - Step 3: Cross multiply
210,118.11x = 315,104.73 × 67,926.96 - Step 4: Simplify right side
210,118.11x = 21,404,106,390.52 - Step 5: Solve for x
x = 21,404,106,390.52/210,118.11 - Step 6: Final answer
x = 101,867.02
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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.