Finding the Fourth Proportional to 412,283.88, 618,499.08 and 212,550.84
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Solution
The fourth proportional to 412,283.88, 618,499.08 and 212,550.84 is: 318,864.03
Step by Step Solution
- Step 1: Write the proportion equation
412,283.88 : 618,499.08 = 212,550.84 : x - Step 2: Convert to fraction form
412,283.88/618,499.08 = 212,550.84/x - Step 3: Cross multiply
412,283.88x = 618,499.08 × 212,550.84 - Step 4: Simplify right side
412,283.88x = 131,462,498,993.23 - Step 5: Solve for x
x = 131,462,498,993.23/412,283.88 - Step 6: Final answer
x = 318,864.03
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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.