Finding the Fourth Proportional to 330,181.80, 495,272.70 and 251,449.80
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Solution
The fourth proportional to 330,181.80, 495,272.70 and 251,449.80 is: 377,174.70
Step by Step Solution
- Step 1: Write the proportion equation
330,181.80 : 495,272.70 = 251,449.80 : x - Step 2: Convert to fraction form
330,181.80/495,272.70 = 251,449.80/x - Step 3: Cross multiply
330,181.80x = 495,272.70 × 251,449.80 - Step 4: Simplify right side
330,181.80x = 124,536,221,360.46 - Step 5: Solve for x
x = 124,536,221,360.46/330,181.80 - Step 6: Final answer
x = 377,174.70
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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.