Finding the Fourth Proportional to 166,777.30, 230,154.48 and 90,297.99
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Solution
The fourth proportional to 166,777.30, 230,154.48 and 90,297.99 is: 124,612.20
Step by Step Solution
- Step 1: Write the proportion equation
166,777.30 : 230,154.48 = 90,297.99 : x - Step 2: Convert to fraction form
166,777.30/230,154.48 = 90,297.99/x - Step 3: Cross multiply
166,777.30x = 230,154.48 × 90,297.99 - Step 4: Simplify right side
166,777.30x = 20,782,486,070.42 - Step 5: Solve for x
x = 20,782,486,070.42/166,777.30 - Step 6: Final answer
x = 124,612.20
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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.