Finding the Fourth Proportional to 177,214.39, 244,760.06 and 129,031.79
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Solution
The fourth proportional to 177,214.39, 244,760.06 and 129,031.79 is: 178,212.55
Step by Step Solution
- Step 1: Write the proportion equation
177,214.39 : 244,760.06 = 129,031.79 : x - Step 2: Convert to fraction form
177,214.39/244,760.06 = 129,031.79/x - Step 3: Cross multiply
177,214.39x = 244,760.06 × 129,031.79 - Step 4: Simplify right side
177,214.39x = 31,581,828,662.31 - Step 5: Solve for x
x = 31,581,828,662.31/177,214.39 - Step 6: Final answer
x = 178,212.55
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1.5x scale
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.