Finding the Fourth Proportional to 678,616.99, 1,017,924.81 and 173,177.97
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Solution
The fourth proportional to 678,616.99, 1,017,924.81 and 173,177.97 is: 259,766.78
Step by Step Solution
- Step 1: Write the proportion equation
678,616.99 : 1,017,924.81 = 173,177.97 : x - Step 2: Convert to fraction form
678,616.99/1,017,924.81 = 173,177.97/x - Step 3: Cross multiply
678,616.99x = 1,017,924.81 × 173,177.97 - Step 4: Simplify right side
678,616.99x = 176,282,147,741.80 - Step 5: Solve for x
x = 176,282,147,741.80/678,616.99 - Step 6: Final answer
x = 259,766.78
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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.