Finding the Fourth Proportional to 330,135.23, 495,202.88 and 172,326.78
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Solution
The fourth proportional to 330,135.23, 495,202.88 and 172,326.78 is: 258,490.19
Step by Step Solution
- Step 1: Write the proportion equation
330,135.23 : 495,202.88 = 172,326.78 : x - Step 2: Convert to fraction form
330,135.23/495,202.88 = 172,326.78/x - Step 3: Cross multiply
330,135.23x = 495,202.88 × 172,326.78 - Step 4: Simplify right side
330,135.23x = 85,336,718,187.94 - Step 5: Solve for x
x = 85,336,718,187.94/330,135.23 - Step 6: Final answer
x = 258,490.19
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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.