Finding the Fourth Proportional to 311,410.14, 429,754.96 and 175,445.58
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Solution
The fourth proportional to 311,410.14, 429,754.96 and 175,445.58 is: 242,119.95
Step by Step Solution
- Step 1: Write the proportion equation
311,410.14 : 429,754.96 = 175,445.58 : x - Step 2: Convert to fraction form
311,410.14/429,754.96 = 175,445.58/x - Step 3: Cross multiply
311,410.14x = 429,754.96 × 175,445.58 - Step 4: Simplify right side
311,410.14x = 75,398,608,215.08 - Step 5: Solve for x
x = 75,398,608,215.08/311,410.14 - Step 6: Final answer
x = 242,119.95
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1.5x scale
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.