Finding the Fourth Proportional to 359,174.48, 495,663.99 and 198,035.31
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Solution
The fourth proportional to 359,174.48, 495,663.99 and 198,035.31 is: 273,290.50
Step by Step Solution
- Step 1: Write the proportion equation
359,174.48 : 495,663.99 = 198,035.31 : x - Step 2: Convert to fraction form
359,174.48/495,663.99 = 198,035.31/x - Step 3: Cross multiply
359,174.48x = 495,663.99 × 198,035.31 - Step 4: Simplify right side
359,174.48x = 98,158,971,915.49 - Step 5: Solve for x
x = 98,158,971,915.49/359,174.48 - Step 6: Final answer
x = 273,290.50
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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.