Finding the Fourth Proportional to 292,912.60, 439,239.30 and 135,059.80
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Solution
The fourth proportional to 292,912.60, 439,239.30 and 135,059.80 is: 202,529.94
Step by Step Solution
- Step 1: Write the proportion equation
292,912.60 : 439,239.30 = 135,059.80 : x - Step 2: Convert to fraction form
292,912.60/439,239.30 = 135,059.80/x - Step 3: Cross multiply
292,912.60x = 439,239.30 × 135,059.80 - Step 4: Simplify right side
292,912.60x = 59,323,572,010.14 - Step 5: Solve for x
x = 59,323,572,010.14/292,912.60 - Step 6: Final answer
x = 202,529.94
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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.