Finding the Fourth Proportional to 681,113.28, 1,021,667.08 and 207,797.08
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Solution
The fourth proportional to 681,113.28, 1,021,667.08 and 207,797.08 is: 311,694.75
Step by Step Solution
- Step 1: Write the proportion equation
681,113.28 : 1,021,667.08 = 207,797.08 : x - Step 2: Convert to fraction form
681,113.28/1,021,667.08 = 207,797.08/x - Step 3: Cross multiply
681,113.28x = 1,021,667.08 × 207,797.08 - Step 4: Simplify right side
681,113.28x = 212,299,435,956.13 - Step 5: Solve for x
x = 212,299,435,956.13/681,113.28 - Step 6: Final answer
x = 311,694.75
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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.