Finding the Fourth Proportional to 511,306.41, 705,606.35 and 284,966.49
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Solution
The fourth proportional to 511,306.41, 705,606.35 and 284,966.49 is: 393,255.71
Step by Step Solution
- Step 1: Write the proportion equation
511,306.41 : 705,606.35 = 284,966.49 : x - Step 2: Convert to fraction form
511,306.41/705,606.35 = 284,966.49/x - Step 3: Cross multiply
511,306.41x = 705,606.35 × 284,966.49 - Step 4: Simplify right side
511,306.41x = 201,074,164,881.21 - Step 5: Solve for x
x = 201,074,164,881.21/511,306.41 - Step 6: Final answer
x = 393,255.71
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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.