Finding the Fourth Proportional to 511,291.68, 705,584.88 and 296,558.88
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Solution
The fourth proportional to 511,291.68, 705,584.88 and 296,558.88 is: 409,252.62
Step by Step Solution
- Step 1: Write the proportion equation
511,291.68 : 705,584.88 = 296,558.88 : x - Step 2: Convert to fraction form
511,291.68/705,584.88 = 296,558.88/x - Step 3: Cross multiply
511,291.68x = 705,584.88 × 296,558.88 - Step 4: Simplify right side
511,291.68x = 209,247,461,757.73 - Step 5: Solve for x
x = 209,247,461,757.73/511,291.68 - Step 6: Final answer
x = 409,252.62
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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.