Finding the Fourth Proportional to 656,445.40, 984,668.10 and 235,763.80
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Solution
The fourth proportional to 656,445.40, 984,668.10 and 235,763.80 is: 353,645.70
Step by Step Solution
- Step 1: Write the proportion equation
656,445.40 : 984,668.10 = 235,763.80 : x - Step 2: Convert to fraction form
656,445.40/984,668.10 = 235,763.80/x - Step 3: Cross multiply
656,445.40x = 984,668.10 × 235,763.80 - Step 4: Simplify right side
656,445.40x = 232,149,092,994.78 - Step 5: Solve for x
x = 232,149,092,994.78/656,445.40 - Step 6: Final answer
x = 353,645.70
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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.