Finding the Fourth Proportional to 239,911.92, 359,307.36 and 189,654.48
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Solution
The fourth proportional to 239,911.92, 359,307.36 and 189,654.48 is: 284,038.62
Step by Step Solution
- Step 1: Write the proportion equation
239,911.92 : 359,307.36 = 189,654.48 : x - Step 2: Convert to fraction form
239,911.92/359,307.36 = 189,654.48/x - Step 3: Cross multiply
239,911.92x = 359,307.36 × 189,654.48 - Step 4: Simplify right side
239,911.92x = 68,144,250,520.97 - Step 5: Solve for x
x = 68,144,250,520.97/239,911.92 - Step 6: Final answer
x = 284,038.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.