Finding the Fourth Proportional to 358,228.05, 494,354.68 and 197,079.64
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Solution
The fourth proportional to 358,228.05, 494,354.68 and 197,079.64 is: 271,969.89
Step by Step Solution
- Step 1: Write the proportion equation
358,228.05 : 494,354.68 = 197,079.64 : x - Step 2: Convert to fraction form
358,228.05/494,354.68 = 197,079.64/x - Step 3: Cross multiply
358,228.05x = 494,354.68 × 197,079.64 - Step 4: Simplify right side
358,228.05x = 97,427,241,377.18 - Step 5: Solve for x
x = 97,427,241,377.18/358,228.05 - Step 6: Final answer
x = 271,969.89
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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.