Finding the Fourth Proportional to 207,535.90, 311,303.94 and 160,220.08
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Solution
The fourth proportional to 207,535.90, 311,303.94 and 160,220.08 is: 240,330.19
Step by Step Solution
- Step 1: Write the proportion equation
207,535.90 : 311,303.94 = 160,220.08 : x - Step 2: Convert to fraction form
207,535.90/311,303.94 = 160,220.08/x - Step 3: Cross multiply
207,535.90x = 311,303.94 × 160,220.08 - Step 4: Simplify right side
207,535.90x = 49,877,142,171.12 - Step 5: Solve for x
x = 49,877,142,171.12/207,535.90 - Step 6: Final answer
x = 240,330.19
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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.