Finding the Fourth Proportional to 330,437.58, 456,026.41 and 187,198.80
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Solution
The fourth proportional to 330,437.58, 456,026.41 and 187,198.80 is: 258,347.12
Step by Step Solution
- Step 1: Write the proportion equation
330,437.58 : 456,026.41 = 187,198.80 : x - Step 2: Convert to fraction form
330,437.58/456,026.41 = 187,198.80/x - Step 3: Cross multiply
330,437.58x = 456,026.41 × 187,198.80 - Step 4: Simplify right side
330,437.58x = 85,367,595,244.21 - Step 5: Solve for x
x = 85,367,595,244.21/330,437.58 - Step 6: Final answer
x = 258,347.12
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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.