Finding the Fourth Proportional to 292,906.60, 439,230.30 and 135,053.80
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Solution
The fourth proportional to 292,906.60, 439,230.30 and 135,053.80 is: 202,520.94
Step by Step Solution
- Step 1: Write the proportion equation
292,906.60 : 439,230.30 = 135,053.80 : x - Step 2: Convert to fraction form
292,906.60/439,230.30 = 135,053.80/x - Step 3: Cross multiply
292,906.60x = 439,230.30 × 135,053.80 - Step 4: Simplify right side
292,906.60x = 59,319,721,090.14 - Step 5: Solve for x
x = 59,319,721,090.14/292,906.60 - Step 6: Final answer
x = 202,520.94
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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.