Finding the Fourth Proportional to 177,372.20, 266,058.30 and 165,621.80
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Solution
The fourth proportional to 177,372.20, 266,058.30 and 165,621.80 is: 248,432.70
Step by Step Solution
- Step 1: Write the proportion equation
177,372.20 : 266,058.30 = 165,621.80 : x - Step 2: Convert to fraction form
177,372.20/266,058.30 = 165,621.80/x - Step 3: Cross multiply
177,372.20x = 266,058.30 × 165,621.80 - Step 4: Simplify right side
177,372.20x = 44,065,054,550.94 - Step 5: Solve for x
x = 44,065,054,550.94/177,372.20 - Step 6: Final answer
x = 248,432.70
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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.