Finding the Fourth Proportional to 200,134.80, 300,501.12 and 125,725.68
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Solution
The fourth proportional to 200,134.80, 300,501.12 and 125,725.68 is: 188,776.30
Step by Step Solution
- Step 1: Write the proportion equation
200,134.80 : 300,501.12 = 125,725.68 : x - Step 2: Convert to fraction form
200,134.80/300,501.12 = 125,725.68/x - Step 3: Cross multiply
200,134.80x = 300,501.12 × 125,725.68 - Step 4: Simplify right side
200,134.80x = 37,780,707,652.76 - Step 5: Solve for x
x = 37,780,707,652.76/200,134.80 - Step 6: Final answer
x = 188,776.30
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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.