Finding the Fourth Proportional to 177,408.80, 266,113.20 and 161,079.20
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Solution
The fourth proportional to 177,408.80, 266,113.20 and 161,079.20 is: 241,618.80
Step by Step Solution
- Step 1: Write the proportion equation
177,408.80 : 266,113.20 = 161,079.20 : x - Step 2: Convert to fraction form
177,408.80/266,113.20 = 161,079.20/x - Step 3: Cross multiply
177,408.80x = 266,113.20 × 161,079.20 - Step 4: Simplify right side
177,408.80x = 42,865,301,365.44 - Step 5: Solve for x
x = 42,865,301,365.44/177,408.80 - Step 6: Final answer
x = 241,618.80
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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.