Finding the Fourth Proportional to 311,069.44, 429,271.06 and 175,102.97
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Solution
The fourth proportional to 311,069.44, 429,271.06 and 175,102.97 is: 241,639.42
Step by Step Solution
- Step 1: Write the proportion equation
311,069.44 : 429,271.06 = 175,102.97 : x - Step 2: Convert to fraction form
311,069.44/429,271.06 = 175,102.97/x - Step 3: Cross multiply
311,069.44x = 429,271.06 × 175,102.97 - Step 4: Simplify right side
311,069.44x = 75,166,637,541.05 - Step 5: Solve for x
x = 75,166,637,541.05/311,069.44 - Step 6: Final answer
x = 241,639.42
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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.