Finding the Fourth Proportional to 536,119.20, 804,121.20 and 142,135.20
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Solution
The fourth proportional to 536,119.20, 804,121.20 and 142,135.20 is: 213,187.53
Step by Step Solution
- Step 1: Write the proportion equation
536,119.20 : 804,121.20 = 142,135.20 : x - Step 2: Convert to fraction form
536,119.20/804,121.20 = 142,135.20/x - Step 3: Cross multiply
536,119.20x = 804,121.20 × 142,135.20 - Step 4: Simplify right side
536,119.20x = 114,293,927,586.24 - Step 5: Solve for x
x = 114,293,927,586.24/536,119.20 - Step 6: Final answer
x = 213,187.53
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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.