Finding the Fourth Proportional to 511,221.99, 705,489.15 and 296,489.37
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Solution
The fourth proportional to 511,221.99, 705,489.15 and 296,489.37 is: 409,156.95
Step by Step Solution
- Step 1: Write the proportion equation
511,221.99 : 705,489.15 = 296,489.37 : x - Step 2: Convert to fraction form
511,221.99/705,489.15 = 296,489.37/x - Step 3: Cross multiply
511,221.99x = 705,489.15 × 296,489.37 - Step 4: Simplify right side
511,221.99x = 209,170,032,142.89 - Step 5: Solve for x
x = 209,170,032,142.89/511,221.99 - Step 6: Final answer
x = 409,156.95
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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.