Finding the Fourth Proportional to 207,746.08, 311,671.50 and 57,986.20
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Solution
The fourth proportional to 207,746.08, 311,671.50 and 57,986.20 is: 86,993.92
Step by Step Solution
- Step 1: Write the proportion equation
207,746.08 : 311,671.50 = 57,986.20 : x - Step 2: Convert to fraction form
207,746.08/311,671.50 = 57,986.20/x - Step 3: Cross multiply
207,746.08x = 311,671.50 × 57,986.20 - Step 4: Simplify right side
207,746.08x = 18,072,645,933.30 - Step 5: Solve for x
x = 18,072,645,933.30/207,746.08 - Step 6: Final answer
x = 86,993.92
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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.