Finding the Fourth Proportional to 396,131.24, 546,658.62 and 214,847.48
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Solution
The fourth proportional to 396,131.24, 546,658.62 and 214,847.48 is: 296,488.17
Step by Step Solution
- Step 1: Write the proportion equation
396,131.24 : 546,658.62 = 214,847.48 : x - Step 2: Convert to fraction form
396,131.24/546,658.62 = 214,847.48/x - Step 3: Cross multiply
396,131.24x = 546,658.62 × 214,847.48 - Step 4: Simplify right side
396,131.24x = 117,448,226,927.28 - Step 5: Solve for x
x = 117,448,226,927.28/396,131.24 - Step 6: Final answer
x = 296,488.17
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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.