Finding the Fourth Proportional to 511,555.47, 705,958.95 and 282,116.09
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Solution
The fourth proportional to 511,555.47, 705,958.95 and 282,116.09 is: 389,327.04
Step by Step Solution
- Step 1: Write the proportion equation
511,555.47 : 705,958.95 = 282,116.09 : x - Step 2: Convert to fraction form
511,555.47/705,958.95 = 282,116.09/x - Step 3: Cross multiply
511,555.47x = 705,958.95 × 282,116.09 - Step 4: Simplify right side
511,555.47x = 199,162,376,202.65 - Step 5: Solve for x
x = 199,162,376,202.65/511,555.47 - Step 6: Final answer
x = 389,327.04
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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.