Finding the Fourth Proportional to 225,138.56, 310,594.91 and 129,624.98
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Solution
The fourth proportional to 225,138.56, 310,594.91 and 129,624.98 is: 178,827.02
Step by Step Solution
- Step 1: Write the proportion equation
225,138.56 : 310,594.91 = 129,624.98 : x - Step 2: Convert to fraction form
225,138.56/310,594.91 = 129,624.98/x - Step 3: Cross multiply
225,138.56x = 310,594.91 × 129,624.98 - Step 4: Simplify right side
225,138.56x = 40,260,856,795.75 - Step 5: Solve for x
x = 40,260,856,795.75/225,138.56 - Step 6: Final answer
x = 178,827.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.