Finding the Fourth Proportional to 177,380.80, 266,071.20 and 158,135.20
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Solution
The fourth proportional to 177,380.80, 266,071.20 and 158,135.20 is: 237,202.80
Step by Step Solution
- Step 1: Write the proportion equation
177,380.80 : 266,071.20 = 158,135.20 : x - Step 2: Convert to fraction form
177,380.80/266,071.20 = 158,135.20/x - Step 3: Cross multiply
177,380.80x = 266,071.20 × 158,135.20 - Step 4: Simplify right side
177,380.80x = 42,075,222,426.24 - Step 5: Solve for x
x = 42,075,222,426.24/177,380.80 - Step 6: Final answer
x = 237,202.80
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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.