Finding the Fourth Proportional to 330,608.06, 495,621.21 and 131,068.70
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Solution
The fourth proportional to 330,608.06, 495,621.21 and 131,068.70 is: 196,487.73
Step by Step Solution
- Step 1: Write the proportion equation
330,608.06 : 495,621.21 = 131,068.70 : x - Step 2: Convert to fraction form
330,608.06/495,621.21 = 131,068.70/x - Step 3: Cross multiply
330,608.06x = 495,621.21 × 131,068.70 - Step 4: Simplify right side
330,608.06x = 64,960,427,687.13 - Step 5: Solve for x
x = 64,960,427,687.13/330,608.06 - Step 6: Final answer
x = 196,487.73
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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.