Finding the Fourth Proportional to 330,490.20, 456,075.26 and 187,277.62
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Solution
The fourth proportional to 330,490.20, 456,075.26 and 187,277.62 is: 258,442.43
Step by Step Solution
- Step 1: Write the proportion equation
330,490.20 : 456,075.26 = 187,277.62 : x - Step 2: Convert to fraction form
330,490.20/456,075.26 = 187,277.62/x - Step 3: Cross multiply
330,490.20x = 456,075.26 × 187,277.62 - Step 4: Simplify right side
330,490.20x = 85,412,689,233.68 - Step 5: Solve for x
x = 85,412,689,233.68/330,490.20 - Step 6: Final answer
x = 258,442.43
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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.