Finding the Fourth Proportional to 281,273.53, 388,158.50 and 152,211.99
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Solution
The fourth proportional to 281,273.53, 388,158.50 and 152,211.99 is: 210,053.10
Step by Step Solution
- Step 1: Write the proportion equation
281,273.53 : 388,158.50 = 152,211.99 : x - Step 2: Convert to fraction form
281,273.53/388,158.50 = 152,211.99/x - Step 3: Cross multiply
281,273.53x = 388,158.50 × 152,211.99 - Step 4: Simplify right side
281,273.53x = 59,082,376,959.36 - Step 5: Solve for x
x = 59,082,376,959.36/281,273.53 - Step 6: Final answer
x = 210,053.10
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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.