Finding the Fourth Proportional to 511,243.73, 766,837.69 and 156,257.63
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Solution
The fourth proportional to 511,243.73, 766,837.69 and 156,257.63 is: 234,377.92
Step by Step Solution
- Step 1: Write the proportion equation
511,243.73 : 766,837.69 = 156,257.63 : x - Step 2: Convert to fraction form
511,243.73/766,837.69 = 156,257.63/x - Step 3: Cross multiply
511,243.73x = 766,837.69 × 156,257.63 - Step 4: Simplify right side
511,243.73x = 119,824,240,034.08 - Step 5: Solve for x
x = 119,824,240,034.08/511,243.73 - Step 6: Final answer
x = 234,377.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.