Finding the Fourth Proportional to 275,785.23, 413,295.12 and 125,658.63
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Solution
The fourth proportional to 275,785.23, 413,295.12 and 125,658.63 is: 188,313.56
Step by Step Solution
- Step 1: Write the proportion equation
275,785.23 : 413,295.12 = 125,658.63 : x - Step 2: Convert to fraction form
275,785.23/413,295.12 = 125,658.63/x - Step 3: Cross multiply
275,785.23x = 413,295.12 × 125,658.63 - Step 4: Simplify right side
275,785.23x = 51,934,098,564.89 - Step 5: Solve for x
x = 51,934,098,564.89/275,785.23 - Step 6: Final answer
x = 188,313.56
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1.5x scale
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.