Finding the Fourth Proportional to 202,437.30, 303,655.95 and 109,125.30
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Solution
The fourth proportional to 202,437.30, 303,655.95 and 109,125.30 is: 163,687.95
Step by Step Solution
- Step 1: Write the proportion equation
202,437.30 : 303,655.95 = 109,125.30 : x - Step 2: Convert to fraction form
202,437.30/303,655.95 = 109,125.30/x - Step 3: Cross multiply
202,437.30x = 303,655.95 × 109,125.30 - Step 4: Simplify right side
202,437.30x = 33,136,546,640.54 - Step 5: Solve for x
x = 33,136,546,640.54/202,437.30 - Step 6: Final answer
x = 163,687.95
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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.