Finding the Fourth Proportional to 511,009.09, 705,036.44 and 296,107.63
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Solution
The fourth proportional to 511,009.09, 705,036.44 and 296,107.63 is: 408,538.07
Step by Step Solution
- Step 1: Write the proportion equation
511,009.09 : 705,036.44 = 296,107.63 : x - Step 2: Convert to fraction form
511,009.09/705,036.44 = 296,107.63/x - Step 3: Cross multiply
511,009.09x = 705,036.44 × 296,107.63 - Step 4: Simplify right side
511,009.09x = 208,766,664,306.32 - Step 5: Solve for x
x = 208,766,664,306.32/511,009.09 - Step 6: Final answer
x = 408,538.07
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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.