Finding the Fourth Proportional to 202,228.05, 303,342.08 and 127,432.65
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Solution
The fourth proportional to 202,228.05, 303,342.08 and 127,432.65 is: 191,148.98
Step by Step Solution
- Step 1: Write the proportion equation
202,228.05 : 303,342.08 = 127,432.65 : x - Step 2: Convert to fraction form
202,228.05/303,342.08 = 127,432.65/x - Step 3: Cross multiply
202,228.05x = 303,342.08 × 127,432.65 - Step 4: Simplify right side
202,228.05x = 38,655,684,473.75 - Step 5: Solve for x
x = 38,655,684,473.75/202,228.05 - Step 6: Final answer
x = 191,148.98
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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.