Finding the Fourth Proportional to 358,631.52, 494,449.02 and 293,859.96
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Solution
The fourth proportional to 358,631.52, 494,449.02 and 293,859.96 is: 405,147.79
Step by Step Solution
- Step 1: Write the proportion equation
358,631.52 : 494,449.02 = 293,859.96 : x - Step 2: Convert to fraction form
358,631.52/494,449.02 = 293,859.96/x - Step 3: Cross multiply
358,631.52x = 494,449.02 × 293,859.96 - Step 4: Simplify right side
358,631.52x = 145,298,769,239.24 - Step 5: Solve for x
x = 145,298,769,239.24/358,631.52 - Step 6: Final answer
x = 405,147.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.