Finding the Fourth Proportional to 396,270.18, 546,854.85 and 214,989.75
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Solution
The fourth proportional to 396,270.18, 546,854.85 and 214,989.75 is: 296,686.94
Step by Step Solution
- Step 1: Write the proportion equation
396,270.18 : 546,854.85 = 214,989.75 : x - Step 2: Convert to fraction form
396,270.18/546,854.85 = 214,989.75/x - Step 3: Cross multiply
396,270.18x = 546,854.85 × 214,989.75 - Step 4: Simplify right side
396,270.18x = 117,568,187,487.79 - Step 5: Solve for x
x = 117,568,187,487.79/396,270.18 - Step 6: Final answer
x = 296,686.94
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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.