Finding the Fourth Proportional to 330,124.97, 455,574.36 and 194,164.64
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Solution
The fourth proportional to 330,124.97, 455,574.36 and 194,164.64 is: 267,948.32
Step by Step Solution
- Step 1: Write the proportion equation
330,124.97 : 455,574.36 = 194,164.64 : x - Step 2: Convert to fraction form
330,124.97/455,574.36 = 194,164.64/x - Step 3: Cross multiply
330,124.97x = 455,574.36 × 194,164.64 - Step 4: Simplify right side
330,124.97x = 88,456,429,324.76 - Step 5: Solve for x
x = 88,456,429,324.76/330,124.97 - Step 6: Final answer
x = 267,948.32
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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.