Finding the Fourth Proportional to 292,272.75, 403,336.68 and 158,136.75
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Solution
The fourth proportional to 292,272.75, 403,336.68 and 158,136.75 is: 218,228.87
Step by Step Solution
- Step 1: Write the proportion equation
292,272.75 : 403,336.68 = 158,136.75 : x - Step 2: Convert to fraction form
292,272.75/403,336.68 = 158,136.75/x - Step 3: Cross multiply
292,272.75x = 403,336.68 × 158,136.75 - Step 4: Simplify right side
292,272.75x = 63,782,351,730.99 - Step 5: Solve for x
x = 63,782,351,730.99/292,272.75 - Step 6: Final answer
x = 218,228.87
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1.5x scale
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.