Finding the Fourth Proportional to 299,786.76, 413,729.32 and 170,730.68
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Solution
The fourth proportional to 299,786.76, 413,729.32 and 170,730.68 is: 235,621.77
Step by Step Solution
- Step 1: Write the proportion equation
299,786.76 : 413,729.32 = 170,730.68 : x - Step 2: Convert to fraction form
299,786.76/413,729.32 = 170,730.68/x - Step 3: Cross multiply
299,786.76x = 413,729.32 × 170,730.68 - Step 4: Simplify right side
299,786.76x = 70,636,288,139.54 - Step 5: Solve for x
x = 70,636,288,139.54/299,786.76 - Step 6: Final answer
x = 235,621.77
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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.