Finding the Fourth Proportional to 410,586.70, 615,644.88 and 126,203.26
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Solution
The fourth proportional to 410,586.70, 615,644.88 and 126,203.26 is: 189,232.61
Step by Step Solution
- Step 1: Write the proportion equation
410,586.70 : 615,644.88 = 126,203.26 : x - Step 2: Convert to fraction form
410,586.70/615,644.88 = 126,203.26/x - Step 3: Cross multiply
410,586.70x = 615,644.88 × 126,203.26 - Step 4: Simplify right side
410,586.70x = 77,696,390,858.31 - Step 5: Solve for x
x = 77,696,390,858.31/410,586.70 - Step 6: Final answer
x = 189,232.61
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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.