Finding the Fourth Proportional to 225,798.30, 338,680.08 and 83,576.75
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Solution
The fourth proportional to 225,798.30, 338,680.08 and 83,576.75 is: 125,358.69
Step by Step Solution
- Step 1: Write the proportion equation
225,798.30 : 338,680.08 = 83,576.75 : x - Step 2: Convert to fraction form
225,798.30/338,680.08 = 83,576.75/x - Step 3: Cross multiply
225,798.30x = 338,680.08 × 83,576.75 - Step 4: Simplify right side
225,798.30x = 28,305,778,682.74 - Step 5: Solve for x
x = 28,305,778,682.74/225,798.30 - Step 6: Final answer
x = 125,358.69
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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.