Finding the Fourth Proportional to 855,849.18, 1,283,898.92 and 256,857.68
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Solution
The fourth proportional to 855,849.18, 1,283,898.92 and 256,857.68 is: 385,324.07
Step by Step Solution
- Step 1: Write the proportion equation
855,849.18 : 1,283,898.92 = 256,857.68 : x - Step 2: Convert to fraction form
855,849.18/1,283,898.92 = 256,857.68/x - Step 3: Cross multiply
855,849.18x = 1,283,898.92 × 256,857.68 - Step 4: Simplify right side
855,849.18x = 329,779,290,241.92 - Step 5: Solve for x
x = 329,779,290,241.92/855,849.18 - Step 6: Final answer
x = 385,324.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.