Finding the Fourth Proportional to 330,133.98, 495,201.01 and 172,325.53
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Solution
The fourth proportional to 330,133.98, 495,201.01 and 172,325.53 is: 258,488.32
Step by Step Solution
- Step 1: Write the proportion equation
330,133.98 : 495,201.01 = 172,325.53 : x - Step 2: Convert to fraction form
330,133.98/495,201.01 = 172,325.53/x - Step 3: Cross multiply
330,133.98x = 495,201.01 × 172,325.53 - Step 4: Simplify right side
330,133.98x = 85,335,776,504.79 - Step 5: Solve for x
x = 85,335,776,504.79/330,133.98 - Step 6: Final answer
x = 258,488.32
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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.