Finding the Fourth Proportional to 358,117.56, 494,206.26 and 196,975.20
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Solution
The fourth proportional to 358,117.56, 494,206.26 and 196,975.20 is: 271,827.99
Step by Step Solution
- Step 1: Write the proportion equation
358,117.56 : 494,206.26 = 196,975.20 : x - Step 2: Convert to fraction form
358,117.56/494,206.26 = 196,975.20/x - Step 3: Cross multiply
358,117.56x = 494,206.26 × 196,975.20 - Step 4: Simplify right side
358,117.56x = 97,346,376,904.75 - Step 5: Solve for x
x = 97,346,376,904.75/358,117.56 - Step 6: Final answer
x = 271,827.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.