Finding the Fourth Proportional to 302,079.68, 416,869.99 and 166,122.85
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Solution
The fourth proportional to 302,079.68, 416,869.99 and 166,122.85 is: 229,249.55
Step by Step Solution
- Step 1: Write the proportion equation
302,079.68 : 416,869.99 = 166,122.85 : x - Step 2: Convert to fraction form
302,079.68/416,869.99 = 166,122.85/x - Step 3: Cross multiply
302,079.68x = 416,869.99 × 166,122.85 - Step 4: Simplify right side
302,079.68x = 69,251,631,076.86 - Step 5: Solve for x
x = 69,251,631,076.86/302,079.68 - Step 6: Final answer
x = 229,249.55
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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.