Finding the Fourth Proportional to 239,161.35, 358,786.16 and 98,930.91
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Solution
The fourth proportional to 239,161.35, 358,786.16 and 98,930.91 is: 148,414.62
Step by Step Solution
- Step 1: Write the proportion equation
239,161.35 : 358,786.16 = 98,930.91 : x - Step 2: Convert to fraction form
239,161.35/358,786.16 = 98,930.91/x - Step 3: Cross multiply
239,161.35x = 358,786.16 × 98,930.91 - Step 4: Simplify right side
239,161.35x = 35,495,041,304.21 - Step 5: Solve for x
x = 35,495,041,304.21/239,161.35 - Step 6: Final answer
x = 148,414.62
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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.