Finding the Fourth Proportional to 202,357.30, 303,535.95 and 143,259.70
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Solution
The fourth proportional to 202,357.30, 303,535.95 and 143,259.70 is: 214,889.55
Step by Step Solution
- Step 1: Write the proportion equation
202,357.30 : 303,535.95 = 143,259.70 : x - Step 2: Convert to fraction form
202,357.30/303,535.95 = 143,259.70/x - Step 3: Cross multiply
202,357.30x = 303,535.95 × 143,259.70 - Step 4: Simplify right side
202,357.30x = 43,484,469,136.22 - Step 5: Solve for x
x = 43,484,469,136.22/202,357.30 - Step 6: Final answer
x = 214,889.55
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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.