Finding the Fourth Proportional to 225,302.02, 310,917.09 and 140,419.08
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Solution
The fourth proportional to 225,302.02, 310,917.09 and 140,419.08 is: 193,778.52
Step by Step Solution
- Step 1: Write the proportion equation
225,302.02 : 310,917.09 = 140,419.08 : x - Step 2: Convert to fraction form
225,302.02/310,917.09 = 140,419.08/x - Step 3: Cross multiply
225,302.02x = 310,917.09 × 140,419.08 - Step 4: Simplify right side
225,302.02x = 43,658,691,734.08 - Step 5: Solve for x
x = 43,658,691,734.08/225,302.02 - Step 6: Final answer
x = 193,778.52
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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.