Finding the Fourth Proportional to 691,117.25, 1,036,605.80 and 185,612.54
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Solution
The fourth proportional to 691,117.25, 1,036,605.80 and 185,612.54 is: 278,399.99
Step by Step Solution
- Step 1: Write the proportion equation
691,117.25 : 1,036,605.80 = 185,612.54 : x - Step 2: Convert to fraction form
691,117.25/1,036,605.80 = 185,612.54/x - Step 3: Cross multiply
691,117.25x = 1,036,605.80 × 185,612.54 - Step 4: Simplify right side
691,117.25x = 192,407,030,797.73 - Step 5: Solve for x
x = 192,407,030,797.73/691,117.25 - Step 6: Final answer
x = 278,399.99
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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.