Finding the Fourth Proportional to 375,789.96, 563,678.44 and 126,471.96
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Solution
The fourth proportional to 375,789.96, 563,678.44 and 126,471.96 is: 189,705.75
Step by Step Solution
- Step 1: Write the proportion equation
375,789.96 : 563,678.44 = 126,471.96 : x - Step 2: Convert to fraction form
375,789.96/563,678.44 = 126,471.96/x - Step 3: Cross multiply
375,789.96x = 563,678.44 × 126,471.96 - Step 4: Simplify right side
375,789.96x = 71,289,517,116.54 - Step 5: Solve for x
x = 71,289,517,116.54/375,789.96 - Step 6: Final answer
x = 189,705.75
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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.