Finding the Fourth Proportional to 358,238.70, 494,358.93 and 197,093.70
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Solution
The fourth proportional to 358,238.70, 494,358.93 and 197,093.70 is: 271,983.54
Step by Step Solution
- Step 1: Write the proportion equation
358,238.70 : 494,358.93 = 197,093.70 : x - Step 2: Convert to fraction form
358,238.70/494,358.93 = 197,093.70/x - Step 3: Cross multiply
358,238.70x = 494,358.93 × 197,093.70 - Step 4: Simplify right side
358,238.70x = 97,435,030,641.74 - Step 5: Solve for x
x = 97,435,030,641.74/358,238.70 - Step 6: Final answer
x = 271,983.54
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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.