Finding the Fourth Proportional to 353,239.40, 529,859.10 and 220,269.80
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Solution
The fourth proportional to 353,239.40, 529,859.10 and 220,269.80 is: 330,404.70
Step by Step Solution
- Step 1: Write the proportion equation
353,239.40 : 529,859.10 = 220,269.80 : x - Step 2: Convert to fraction form
353,239.40/529,859.10 = 220,269.80/x - Step 3: Cross multiply
353,239.40x = 529,859.10 × 220,269.80 - Step 4: Simplify right side
353,239.40x = 116,711,957,985.18 - Step 5: Solve for x
x = 116,711,957,985.18/353,239.40 - Step 6: Final answer
x = 330,404.70
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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.