Finding the Fourth Proportional to 202,031.44, 302,712.12 and 122,906.32
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Solution
The fourth proportional to 202,031.44, 302,712.12 and 122,906.32 is: 184,155.66
Step by Step Solution
- Step 1: Write the proportion equation
202,031.44 : 302,712.12 = 122,906.32 : x - Step 2: Convert to fraction form
202,031.44/302,712.12 = 122,906.32/x - Step 3: Cross multiply
202,031.44x = 302,712.12 × 122,906.32 - Step 4: Simplify right side
202,031.44x = 37,205,232,688.60 - Step 5: Solve for x
x = 37,205,232,688.60/202,031.44 - Step 6: Final answer
x = 184,155.66
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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.